FYI: a repeat episode will air after the new one, starting at 9:01pm ET/8:01pm CT. Spoiler: 3/05/15 episode TROUBLE ARISES WHEN AMY LEARNS SHELDON HAS APPLIED FOR A ONE-WAY MISSION TO COLONIZE MARS, ON "THE BIG BANG THEORY," THURSDAY, MARCH 5 "The Colonization Application" – Trouble arises when Amy learns Sheldon has applied for a one-way mission to colonize Mars. Also, a trip to the pet store ends in a fight for Sheldon and Amy, Leonard surprises Penny with a very "adult" purchase, and, Raj is caught snooping in Emily's apartment, on THE BIG BANG THEORY, Thursday, March 5 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: How dare he? Trouble arises when Amy learns Sheldon has applied for a one-way mission to Mars! @BigBang_CBS 3/5 8pm http://bit.ly/1Gy95Eg REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Laura Spencer (Emily) WRITTEN BY: Dave Goetsch, Jim Reynolds and Tara Hernandez TELEPLAY BY: Steve Molaro, Eric Kaplan and Maria Ferrari DIRECTED BY: Mark Cendrowski
FYI: a repeat episode will air after the new one, starting at 9:01pm ET/8:01pm CT. Spoiler: 3/12/15 episode WHEN A MAGAZINE INCORRECTLY CREDITS SHELDON AS THE LEAD SCIENTIST OF THE PAPER HE CO-WROTE WITH LEONARD, THINGS GET AWKWARD, ON "THE BIG BANG THEORY," THURSDAY, MARCH 12 "The Leftover Thermalization" – Friction ensues when a magazine fails to mention Leonard in an article about the paper he co-wrote with Sheldon. Also, a blackout at Mrs. Wolowitz's home leads to a final family dinner in her honor, on THE BIG BANG THEORY, Thursday, March 12 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: A blackout at Mrs. Wolowitz's home leads to a final family dinner in her honor on @BigBang_CBS #CBS 3/12 8pm http://bit.ly/18mHGcq REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Kevin Sussman (Stuart) WRITTEN BY: Steven Molaro, Maria Ferrari and Jeremy Howe TELEPLAY BY: Eric Kaplan, Jim Reynolds and Steve Holland DIRECTED BY: Mark Cendrowski
FYI: a repeat episode will air after the new one, starting at 9:01pm ET/8:01pm CT. Spoiler: 4/02/15 episode SHELDON AND LEONARD TRY TO SNEAK ON TO GEORGE LUCAS' SKYWALKER RANCH, ON "THE BIG BANG THEORY," THURSDAY, APRIL 2 "The Skywalker Incursion" – When Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try to meet an idol. Also, when Bernadette and Howard battle over the fate of his Dr. Who TARDIS, Raj and Amy offer to settle the dispute with a game of ping pong, on THE BIG BANG THEORY, Thursday, April 2 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Sheldon & Leonard try to sneak on to George Lucas' Skywalker Ranch on @BigBang_CBS #CBS 4/2 8pm http://bit.ly/1O0Bzvj REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) GUEST CAST: Tate Ellington (Mitchell) Michael Dempsey (Security Guard) Mark Barrett (Security Guard #2) [V.O] WRITTEN BY: Jim Reynolds, Tara Hernandez, Jeremy Howe TELEPLAY BY: Steve Molaro, Steve Holland, Maria Ferrari DIRECTED BY: Mark Cendrowski
FYI: a repeat episode will air after the new one, starting at 9:30pm ET/8:30pm CT. Spoiler: 4/09/15 episode WOLOWITZ IS SHOCKED WHEN A MAN CLAIMING TO BE HIS HALF-BROTHER SHOWS UP AT THE FRONT DOOR, ON "THE BIG BANG THEORY," THURSDAY, APRIL 9 Kevin Smith, Matt Bennett and Wil Wheaton Guest Star "The Fortification Implementation" – When Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Wolowitz meets the half-brother he never knew he had, and when Penny is invited to appear on Wil Wheaton's podcast, she and Leonard have a huge, on-air argument, on THE BIG BANG THEORY, Thursday, April 9 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Brand New @BigBang_CBS with special guest stars @WilW @ThatKevinSmith @MattBennett #CBS 4/9 8pm http://bit.ly/1N52KHj REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Wil Wheaton (Himself) GUEST CAST: Matt Bennett (Josh) Kevin Smith (Himself, V.O.) Rena Strober (Caller, V.O.) WRITTEN BY: Jim Reynolds, Saladin Patterson, Tara Hernandez TELEPLAY BY: Steven Molaro, Steve Holland, Maria Ferrari DIRECTED BY: Mark Cendrowski Photos are available at: http://cbspressexpress.com Official CBS Website: http://www.cbs.com/big_bang_theory Facebook: https://www.facebook.com/TheBigBangTheory Twitter: http://twitter.com/BigBang_CBS Instagram: BigBangTheory_CBS CBS Tweet: https://twitter.com/CBSTweet Cast on Twitter: Simon Helberg @simonhelberg Kunal Nayyar @kunalnayyar Mayim Bialik @missmayim Melissa Rauch @melissarauch
FYI: a repeat episode will air after the new one, starting at 9:30pm ET/8:30pm CT. Spoiler: 4/16/15 episode PENNY CONTEMPLATES A RETURN TO ACTING, ON "THE BIG BANG THEORY," THURSDAY, APRIL 16 "The Communication Deterioration" – When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do. Also, Penny is torn between auditioning for a movie or keeping her successful pharmaceutical sales job, on THE BIG BANG THEORY, Thursday, April 16 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Actress or Pharmaceutical sales? Penny contemplates a return to acting on @BigBang_CBS #CBS 4/16 8pm http://bit.ly/1N51x2K REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) GUEST CAST: Sara Erikson (Gwen) Kelli Goss (Chelsea) Phoebe Neidhardt (Casting Assistant) Mark Maitre (Alien #1) Jeff Jingle (Alien #2) WRITTEN BY: Dave Goetsch, Steve Holland, Jeremy Howe TELEPLAY BY: Steven Molaro, Eric Kaplan, Jim Reynolds DIRECTED BY: Mark Cendrowski
FYI: a repeat episode will air after the new one, starting at 9:30pm ET/8:30pm CT. Spoiler: 4/23/15 episode KOOTHRAPPALI FACES A THREAT TO HIS CUSHY LIFESTYLE WHEN HE IS CUT OFF FROM THE FAMILY FORTUNE, ON "THE BIG BANG THEORY," THURSDAY, APRIL 23 "The Graduation Transmission" – Wolowitz questions his engineering abilities when he and Sheldon can't get a toy drone to fly. Meanwhile, a cancelled flight nearly prevents Leonard from giving the commencement address at his former high school, and Raj pits his parents against each other when his father cuts him off financially, on THE BIG BANG THEORY, Thursday, April 23 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Raj pits his parents against each other after being cut off financially @BigBang_CBS #CBS 4/23 8pm http://bit.ly/1bjRhCn REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Brian George (Dr. Koothrapali) Alice Amter (Mrs. Koothrapali) GUEST CAST: Robert Clotworthy (Headmaster Edwards) Matt Mittelman (Tech Support, V.O.) Katherine Von Till (Tech Support, V.O Recording) WRITTEN BY: Chuck Lorre, Dave Goetsch and Anthony Del Broccolo TELEPLAY BY: Steven Molaro, Steve Holland and Eric Kaplan DIRECTED BY: Anthony Rich
FYI: a repeat episode will air after the new one, starting at 9:30pm ET/8:30pm CT. Spoiler: 4/30/15 episode SPARKS FLY WHEN SHELDON AND LEONARD'S MOTHERS FINALLY MEET, ON "THE BIG BANG THEORY," THURSDAY, APRIL 30 Laurie Metcalf Returns as Sheldon's Mother, Mary, and Christine Baranski (The Good Wife) Returns as Leonard's Mother, Beverly "The Maternal Combustion" – Personalities collide when Sheldon and Leonard's mothers finally meet. Meanwhile, Howard finally decides to "man up" and do his fair share of the housework – but not without a little help from his friends, on THE BIG BANG THEORY, Thursday, April 30 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Emmy Award winners Laurie Metcalf and Christine Baranski return as Sheldon's and Leonard's mothers, respectively. CHEAT TWEET: Leonard & Sheldon's mothers finally meet on @BigBang_CBS #CBS 4/30 8pm Laurie Metcalf & Christine Baranski Return. http://bit.ly/1AhHwuJ REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Kevin Sussman (Stuart) Christine Baranski (Beverly) Laurie Metcalf (Mary) WRITTEN BY: Steven Molaro, Tara Hernandez, Jeremy Howe TELEPLAY BY: Chuck Lorre, Jim Reynolds, Maria Ferrari DIRECTED BY: Anthony Rich
FYI: a repeat episode will air after the new one, starting at 9:31pm ET/8:31pm CT. Spoiler: 5/07/15 Season 8 Finale episode SHELDON PUSHES LEONARD AND PENNY TO CHOOSE A DATE FOR THEIR WEDDING, ON THE EIGHTH SEASON FINALE OF "THE BIG BANG THEORY," THURSDAY, MAY 7 "The Commitment Determination" – After Sheldon fights with Amy, he questions why Leonard and Penny haven't made wedding plans. Also, Howard and Bernadette ask Stuart to move out, and Emily's fascination with the dark and spooky has Raj questioning their relationship, on the eighth season finale of THE BIG BANG THEORY, Thursday, May 7 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Wedding Bells? Sheldon pushes Leonard & Penny to choose a date for their wedding #Season8Finale @BigBang_CBS 5/7 8pm http://bit.ly/1IH1ciB REGULAR CAST Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Kevin Sussman (Stuart) Laura Spencer (Emily) WRITTEN BY: Chuck Lorre, Jim Reynolds, Maria Ferrari TELEPLAY BY: Steven Molaro, Steve Holland, Eric Kaplan DIRECTED BY: Mark Cendrowski
THE BIG BANG THEORY Leonard and Sheldon are brilliant physicists – geniuses in the laboratory, but socially challenged everywhere else. Enter beautiful, street-smart neighbor, Penny, who aims to teach them a thing or two about life. Despite their on-again, off-again relationship in the past, Leonard and Penny have finally gotten engaged. Even Sheldon has found a female companion, entering into a "Relationship Agreement" with neurobiologist Amy Farrah Fowler, who recently asked him to take a break because she is frustrated with how slow their relationship is progressing.In their free time, Leonard and Sheldon enjoy fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists Koothrappali, Wolowitz and Wolowitz's adorable microbiologist wife, Bernadette. Begins its ninth season Monday, Sept. 21 (8:00-8:30 PM, ET/PT), on the CBS Television Network. Moves to its regular time period Thursdays, (8:00-8:30 PM, ET/PT) on Nov. 5, on the CBS Television Network. ORIGINATION: Los Angeles ORIGINAL PREMIERE DATE: September 24, 2007 FORMAT: Comedy (Taped in HD) STARRING: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Rajesh Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) PRODUCED BY: Chuck Lorre Productions, Inc., in association with Warner Bros. Television CO-CREATORS: Chuck Lorre and Bill Prady EXECUTIVE PRODUCERS: Chuck Lorre, Bill Prady, Steven Molaro Photos are available at: http://cbspressexpress.com Official CBS Website: http://www.cbs.com/big_bang_theory Facebook: https://www.facebook.com/TheBigBangTheory Twitter: http://twitter.com/BigBang_CBS Instagram: BigBangTheory_CBS CBS Tweet: https://twitter.com/CBSTweet Cast on Twitter: Simon Helberg @simonhelberg Kunal Nayyar @kunalnayyar Mayim Bialik @missmayim Melissa Rauch @melissarauch Cast on Instagram: Jim Parsons @therealjimparsons Johnny Galecki @sanctionedjohnnygalecki Kaley Cuoco @normancook Kunal Nayyar @kunalkarmanayyar Mayim Bialik @missmayim Melissa Rauch @themelissarauch
Spoiler: Season 9 Premiere AFTER LEONARD CONFESSES HE KISSED ANOTHER GIRL ON THE NORTH SEA, PENNY MUST DECIDE IF SHE WANTS TO GO THROUGH WITH THE WEDDING, ON THE NINTH SEASON PREMIERE OF "THE BIG BANG THEORY," MONDAY, SEPT. 21 Laurie Metcalf Returns as Sheldon's Mother, Mary Penny & Leonard pic "The Matrimonial Momentum" – After driving to Vegas to get married, Penny struggles with Leonard's confession that he kissed another girl. Also, Sheldon doesn't know how to act after Amy pushes pause on their relationship, on the ninth season premiere of THE BIG BANG THEORY, Monday, Sept. 21 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary. CHEAT TWEET: I do? Penny must decide if she wants to go through with marrying Leonard #Season9Premiere @BigBang_CBS 9/21 8pm http://bit.ly/1hZEWah REGULAR CAST: Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Kevin Sussman (Stuart) Laurie Metcalf (Mary) GUEST CAST: Jim Meskimen (Minister) Louise Claps (Receptionist) WRITTEN BY: Chuck Lorre, Jim Reynolds, Maria Ferrari TELEPLAY BY: Steven Molaro, Steve Holland, Eric Kaplan DIRECTED BY: Mark Cendrowski
Spoiler: 9/28/15 episode AFTER AMY BREAKS UP WITH SHELDON, HE TRIES TO RETALIATE USING "FUN WITH FLAGS," ON "THE BIG BANG THEORY," MONDAY, SEPT. 28 Sheldon pic "The Separation Oscillation" – Leonard confronts the woman he kissed on the North Sea in an attempt to set Penny's mind at ease. Also, Sheldon films a special episode of "Fun with Flags" after his breakup with Amy, and Bernadette feels guilty about withholding a secret from Penny, on THE BIG BANG THEORY, Monday, Sept. 28 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Sheldon tries to retaliate at Amy using 'Fun with Flags' #Season9 @BigBang_CBS 9/28 8pm http://bit.ly/1Fwyv3A REGULAR CAST: Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco-Sweeting (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) GUEST CAST: Melissa Tang (Mandy) WRITTEN BY: Steven Molaro, Steve Holland, Tara Hernandez TELEPLAY BY: Chuck Lorre, Jim Reynolds, Maria Ferrari DIRECTED BY: Mark Cendrowski
Spoiler: 10/05/15 episode THE BOYS SURPRISE LEONARD BY TAKING HIM TO MEXICO FOR A BELATED BACHELOR PARTY, ON "THE BIG BANG THEORY," MONDAY, OCT. 5 Cast pic Keith Carradine Returns as Penny's Father, Wyatt "The Bachelor Party Corrosion" – The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard, on THE BIG BANG THEORY, Monday, Oct. 5 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Party Time! Leonard's belated bachelor party weekend in Mexico gets sidelined by a flat tire. @BigBang_CBS 10/5 8pm http://bit.ly/1FpXRWb REGULAR CAST: Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) GUEST CAST: Keith Carradine (Wyatt) WRITTEN BY: Dave Goetsch, Jim Reynolds, Jeremy Howe TELEPLAY BY: Steven Molaro, Steve Holland, Eric Kaplan DIRECTED BY: Mark Cendrowski
Spoiler: 10/12/15 episode SHELDON SEARCHES FOR A NEW ROOMMATE WHEN PENNY AND LEONARD ANNOUNCE THEY'RE MOVING IN TOGETHER, ON "THE BIG BANG THEORY," MONDAY, OCT. 12 Kaley/Johnny/Jim pic "The 2003 Approximation" – Sheldon learns of an impending change in his living arrangements and decides to revert back to 2003, a simpler time before he met Leonard and Penny. Also, Howard and Raj form a band to play at the Comic Book Store, on THE BIG BANG THEORY, Monday, Oct. 12 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Sheldon needs a new roommate! Penny & Leonard are moving in together! @BigBang_CBS 10/12 8pm http://bit.ly/1jzInoQ REGULAR CAST: Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Kevin Sussman (Stuart) Laura Spencer (Emily) GUEST CAST: Craig Welzbacher (Candidate #1) Kurt Koehler (Candidate #2) Arshad Aslam (Candidate #3) WRITTEN BY: Chuck Lorre, Steve Holland and Eric Kaplan TELEPLAY BY: Steven Molaro, Maria Ferrari and Tara Hernandez DIRECTED BY: Mark Cendrowski
Spoiler: 10/19/15 episode SHELDON FINDS HIMSELF IN AN AWKWARD POSITION WHEN BARRY KRIPKE EXPRESSES INTEREST IN AMY, ON "THE BIG BANG THEORY," MONDAY, OCT. 19 Cast pic "The Perspiration Implementation"– The guys take a fencing lesson from Barry Kripke and Sheldon finds himself in an awkward position when Kripke expresses interest in Amy. Also, when Stuart struggles to get female customers at the Comic Book Store, Penny, Amy and Bernadette come by to help him out, on THE BIG BANG THEORY, Monday, Oct. 19 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Amy & Kripke? Sheldon sure doesn't like the sound of that! @BigBang_CBS 10/19 8pm http://bit.ly/1hBbpmz REGULAR CAST: Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) RECURRING CAST: Kevin Sussman (Stuart) John Ross Bowie (Kripke) GUEST CAST: Megan Heyn (Natalie) Patrika Darbo (Grace) Rebecca Ann Johnson (Attractive Red Head) WRITTEN BY: Chuck Lorre, Eric Kaplan and Maria Ferrari TELEPLAY BY: Steve Holland, Jim Reynolds and Saladin Patterson DIRECTED BY: Mark Cendrowski
Spoiler: 10/26/15 episode LEONARD AND SHELDON ARE FORCED TO MAKE A BLACK MARKET PURCHASE IN ORDER TO COMPLETE AN EXPERIMENT, ON "THE BIG BANG THEORY," MONDAY, OCT. 26 Editor's note: The end time for this episode has changed. "The Helium Insufficiency" – In the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need. Also, Penny and Bernadette download a dating app on Amy's phone to try and find her a new man, on THE BIG BANG THEORY, Monday, Oct. 26 (8:00-8:31 PM, ET/PT), on the CBS Television Network. Michael Rapaport guest stars Kenny, a black market dealer. REGULAR CAST: Johnny Galecki (Leonard) Jim Parsons (Sheldon) Kaley Cuoco (Penny) Simon Helberg (Wolowitz) Kunal Nayyar (Koothrappali) Mayim Bialik (Amy) Melissa Rauch (Bernadette) GUEST CAST: Michael Rapaport (Kenny) Elena Campbell-Martinez (Maria) WRITTEN BY: Steve Holland, Maria Ferrari and Anthony Del Broccolo TELEPLAY BY: Steven Molaro, Eric Kaplan and Jim Reynolds DIRECTED BY: Mark Cendrowski