Spoiler: 1/19/17 episode WHEN LEONARD AND PENNY FIGHT, SHELDON PLAYS THE UNLIKELY PEACEMAKER, ON "THE BIG BANG THEORY," THURSDAY, JAN. 19 Leonard & Penny fight; will Sheldon & Amy be convincing peacemakers? "The Romance Recalibration"– When Penny feels that Leonard is taking her for granted, she decides to go on a spa weekend with Amy. Also, Wolowitz and Koothrappali try to fix a squeaky floorboard in the baby's room, on THE BIG BANG THEORY, Thursday, Jan. 19 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Sheldon plays the unlikely peacemaker after Leonard & Penny have a fight @BigBangTheory #CBS 1/19 @8PM http://bit.ly/2jJolwa REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) STORY BY: Chuck Lorre, Dave Goetsch, Anthony Del Broccolo TELEPLAY BY: Steven Molaro, Steve Holland, Saladin K. Patterson DIRECTED BY: Mark Cendrowski
Spoiler: 2/02/17 episode SHELDON GETS HELP READING PEOPLE'S FEELINGS WHEN HE BETA-TESTS AN EMOTION-DETECTING MACHINE, ON "THE BIG BANG THEORY," THURSDAY, FEB. 2 Raj & Howard talk to the ladies... "The Emotion Detection Automation"– Sheldon beta-tests an MIT invention after hearing it can help him read people's emotions. Also, Leonard can't hide his feelings when Penny announces her brother is coming to town, and Raj invites his ex-girlfriends over to give him dating advice, on THE BIG BANG THEORY, Thursday, Feb. 2 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Laura Spencer, Katie Micucci, Alessandra Torresani and Katie Leclerc return as Raj's ex-girlfriends. CHEAT TWEET: Sheldon gets help reading people's feelings when he beta-tests an emotion-detecting machine @BigBangTheory #CBS 2/2 8PM http://bit.ly/2jWCtjh REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Laura Spencer (Emily Sweeney) Kate Micucci (Lucy) Alessandra Torresani (Claire) Katie Leclerc (Emily) STORY BY: Chuck Lorre, Steven Molaro, Eric Kaplan TELEPLAY BY: Steve Holland, Jim Reynolds, Saladin K. Patterson DIRECTED BY: Mark Cendrowski
Spoiler: 2/09/17 episode LEONARD AND WOLOWITZ TRY TO GET SHELDON OUT OF THEIR HAIR BY GIVING HIM TICKETS TO A HISTORIC RAILWAY, ON "THE BIG BANG THEORY," THURSDAY, FEB. 9 Leonard & Sheldon conduct an experiment Dean Norris Returns as Colonel Williams "The Locomotion Reverberation"– Leonard and Wolowitz try to distract Sheldon when he slows the progress of their guidance system. Also, Penny and Amy take Bernadette out for the night, leaving Raj and Stuart to care for baby Halley, on THE BIG BANG THEORY, Thursday, Feb. 9 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Dean Norris returns as Colonel Williams. CHEAT TWEET: Choo-choo! Leonard & Wolowitz distract Sheldon by giving him tickets 2 a historic railway @BigBangTheory #CBS 2/9 8PM http://bit.ly/2kmeI49 REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) Dean Norris (Colonel Richard Williams) Pamela Adlon (Halley Wolowitz, [voice]) STORY BY: Chuck Lorre, Steven Holland, Jim Reynolds TELEPLAY BY: Steve Molaro, Maria Ferrari, Tara Hernandez DIRECTED BY: Mark Cendrowski
Spoiler: 2/16/17 episode AMY IS FURIOUS WHEN SHE LEARNS SHELDON HAS SHARED INTIMATE DETAILS OF THEIR RELATIONSHIP WITH PEOPLE AT THE UNIVERSITY, ON "THE BIG BANG THEORY," THURSDAY, FEB. 16 Amy is not happy that Sheldon is telling his university colleagues details about his & Amy's relationship! "The Allowance Evaporation"– Sheldon and Amy have their first fight since moving in together, and Koothrappali is shocked at the realities of financial independence when he stops receiving support from his father, on THE BIG BANG THEORY, Thursday, Feb. 16 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Amy is furious when she learns Sheldon shared intimate details of their relationship @BigBangTheory #CBS 2/16 8PM http://bit.ly/2kdG0b8 REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Brian George (Dr. V.M. Koothrappali) Brian Posehn (Bert) STORY BY: Eric Kaplan, Maria Ferrari, Jeremy Howe TELEPLAY BY: Steve Molaro, Steve Holland, Jim Reynolds DIRECTED BY: Mark Cendrowski
Spoiler: 2/23/17 episode KOOTHRAPPALI PUTS SHELDON IN CHARGE OF HIS FINANCES, ON "THE BIG BANG THEORY," THURSDAY, FEB. 23 "The Comic-Con Conundrum" – With Koothrappali cut off from his father's fortune, he appoints Sheldon to help him get out of debt. Also, Penny considers joining Leonard at Comic-Con, on THE BIG BANG THEORY, Thursday, Feb. 23 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Koothrappali puts Sheldon in charge of his finances to help him get out of debt @BigBangTheory #CBS 2/23 8PM http://bit.ly/2mjhRRZ REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) Pamela Adlon (Halley Wolowitz, O.S.) STORY BY: Eric Kaplan, Saladin K. Patterson, Tara Hernandez TELEPLAY BY: Steve Molaro, Steve Holland, Maria Ferrari DIRECTED BY: Mark Cendrowski
Spoiler: 3/09/17 episode WHEN RAJ MOVES OUT OF HIS APARTMENT, LEONARD AND PENNY OFFER HIM SHELDON'S OLD ROOM, ON "THE BIG BANG THEORY," THURSDAY, MARCH 9 Christine Baranski Returns as Sheldon's Mother, Beverly "The Escape Hatch Identification" – When Raj moves out of his apartment, Leonard and Penny offer him Sheldon's old room, on THE BIG BANG THEORY, Thursday, March 9 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Christine Baranski returns as Sheldon's mother, Beverly. CHEAT TWEET: Leonard & Penny offer Raj Sheldon's old room @BigBangTheory #CBS 3/9 8PM #ChristineBaranski guests http://bit.ly/2mfdR8q REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) Christine Baranski (Dr. Beverly Hofstadter) STORY BY: Steven Molaro, Eric Kaplan, Anthony Del Broccolo TELEPLAY BY: Steve Holland, Jim Reynolds, Tara Hernandez DIRECTED BY: Mark Cendrowski
Spoiler: 3/30/17 episode LEONARD, PENNY AND RAJ ADJUST TO THEIR NEW LIVING ARRANGEMENT, ON "THE BIG BANG THEORY," THURSDAY, MARCH 30 "The Collaboration Fluctuation" – Leonard, Penny and Raj adjust to their new living arrangement, and Sheldon takes an interest in Amy's work, on THE BIG BANG THEORY, Thursday, March 30 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Leonard, Penny & Raj adjust to being roommates on @BigBangTheory #CBS 3/30 8PM http://bit.ly/2mUgUTr REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Pamela Adlon (Halley Wolowitz, O.C.) STORY BY: Chuck Lorre, Tara Hernandez, Giuseppe Graziano TELEPLAY BY: Steven Molaro, Steve Holland, Dave Goetsch DIRECTED BY: Mark Cendrowski
Spoiler: 4/06/17 episode SHELDON PUSHES HIMSELF TO THE LIMIT WHEN HE COLLABORATES ON PROJECTS WITH LEONARD AND WOLOWITZ AS WELL AS AMY ON THE SAME DAY, ON "THE BIG BANG THEORY," THURSDAY, APRIL 6 Joel Murray Guest Stars as Doug "The Recollection Dissipation" – Sheldon pushes himself to the limit when he collaborates on projects with Leonard and Wolowitz as well as Amy on the same day. Also, Bernadette is nearing the end of her maternity leave and must return to work, on THE BIG BANG THEORY, Thursday, April 6 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Joel Murray guest stars as Doug. CHEAT TWEET: Sheldon pushes himself to the limit when he works with Leonard & Wolowitz as well as Amy on the same day. @BigBangTheory #CBS 4/6 8PM http://bit.ly/2nocVgt REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) GUEST CAST: Joel Murray (Doug) STORY BY: Eric Kaplan, Tara Hernandez, Jeremy Howe TELEPLAY BY: Steven Molaro, Steve Holland, Maria Ferrari DIRECTED BY: Mark Cendrowski
Spoiler: 4/13/17 episode HOWARD AND BERNADETTE HAVE A HARD TIME LEAVING HALLEY IN DAYCARE WHEN BERNADETTE RETURNS TO WORK, ON "THE BIG BANG THEORY," THURSDAY, APRIL 13 Brian Posehn Returns as Bert "The Separation Agitation" – Howard and Bernadette have a hard time leaving Halley in day care when Bernadette returns to work. Also, Bert (Brian Posehn) introduces the gang to his new girlfriend, Rebecca (April Bowlby), on THE BIG BANG THEORY, Thursday, April 13 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Who's a bigger baby when it comes to going to day care? Howard, Bernadette or Halley? @BigBangTheory #CBS 4/13 8PM http://bit.ly/2o7odI7 REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) Brian Posehn (Bert Kibbler) GUEST CAST: April Bowlby (Rebecca) STORY BY: Steven Molaro, Jim Reynolds, Maria Ferrari TELEPLAY BY: Steve Holland, Tara Hernandez, Jeremy Howe DIRECTED BY: Mark Cendrowski
Spoiler: 4/27/17 episode LEONARD ISN’T THRILLED WHEN PENNY CONSIDERS TAKING A NEW JOB OFFERED BY HER EX-BOYFRIEND, ON "THE BIG BANG THEORY," THURSDAY, APRIL 27 Brian Thomas Smith Returns as Zack "The Cognition Regeneration" – Leonard isn't thrilled when Penny considers taking a new job offered by her ex-boyfriend, Zack (Brian Thomas Smith), on THE BIG BANG THEORY, Thursday, April 27 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Leonard isn't thrilled when Penny considers taking a job w/ her ex. #BrianThomasSmith returns @BigBangTheory 4/27 8PM http://bit.ly/2onYrwV REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING/GUEST CAST: Brian Thomas Smith (Zack Johnson) STORY BY: Steve Holland, Tara Hernandez, Jeremy Howe TELEPLAY BY: Dave Goetsch, Eric Kaplan, Jim Reynolds DIRECTED BY: Mark Cendrowski
FYI: a repeat episode will air right after the new one, at 8:31pm ET/7:31pm CT. Spoiler: 5/04/17 episode AFTER LEONARD, SHELDON AND WOLOWITZ CELEBRATE THE COMPLETION OF THE TOP SECRET AIR FORCE PROJECT, THEY ARE MET WITH AN UNPLEASANT SURPRISE, ON "THE BIG BANG THEORY," THURSDAY, MAY 4 Dean Norris Returns as Colonel Williams "The Gyroscopic Collapse" – After Leonard, Sheldon and Wolowitz celebrate the completion of the top secret Air Force project, they are met with an unpleasant surprise. Also, Amy is offered a summer position as a visiting researcher, on THE BIG BANG THEORY, Thursday, May 4 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: The guys complete the top secret project & are met with an unpleasant surprise. @deanjnorris returns @BigBangTheory 5/4 8:00pm http://bit.ly/2qkpEBb REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Dean Norris (Colonel Williams) GUEST CAST: Kimberly D. Brooks (Computer Voice, V.O.) STORY BY: Chuck Lorre, Steve Holland, Alex Ayers TELEPLAY BY: Steven Molaro, Jim Reynolds, Saladin K. Patterson DIRECTED BY: Anthony Rich
FYI: a repeat episode will air right after the Season 10 Finale, at 8:31pm ET/7:31pm CT. Spoiler: 5/11/17 Season 10 Finale episode THE GANG IS CONCERNED WHEN SHELDON'S FORMER ADMIRER, DR. RAMONA NOWITZKI, RESURFACES WHILE AMY IS AWAY AT PRINCETON, ON THE 10th SEASON FINALE OF "THE BIG BANG THEORY," THURSDAY, MAY 11 Riki Lindhome Returns as Dr. Ramona Nowitzki "The Long Distance Dissonance"– The gang is concerned when Sheldon's former admirer, Dr. Ramona Nowitzki (Riki Lindhome), resurfaces while Amy is away at Princeton, on the 10th Season Finale of THE BIG BANG THEORY, Thursday, May 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Uh-oh! Sheldon's former admirer resurfaces when Amy is away @RikiLindhome returns #SeasonFinale @BigBangTheory 5/11 8PM http://bit.ly/2ooZzEA REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) GUEST CAST: Riki Lindhome (Dr. Ramona Nowitzki) STORY BY: Steven Molaro, Eric Kaplan, Jim Reynolds TELEPLAY BY: Chuck Lorre, Steve Holland, Tara Hernandez 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 married. Even Sheldon has found a female companion, entering into a "relationship agreement" with neurobiologist Amy Farrah Fowler, and he recently took their relationship to the next level by proposing marriage. 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, who is adjusting to life with their new baby girl. ON AIR: Begins its 11th Season Monday, Sept. 25 (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. 2. ORIGINATION: Los Angeles FORMAT: Comedy (Filmed in HD) STARRING: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (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 EXECUTIVE PRODUCERS: Chuck Lorre, Bill Prady, Steven Molaro CREATED BY: Chuck Lorre and Bill Prady Photos are available on www.cbspressexpress.com Website: http://www.cbs.com/bigbangtheory Facebook: https://www.facebook.com/TheBigBangTheory Twitter: http://twitter.com/BigBangTheory Instagram: BigBangTheory_CBS CBS Twitter: https://twitter.com/CBSTweet Cast and Crew on Twitter: Simon Helberg @simonhelberg Kunal Nayyar @kunalnayyar Mayim Bialik @missmayim Melissa Rauch @melissarauch Cast and Crew on Instagram: Jim Parsons @therealjimparsons Johnny Galecki @sanctionedjohnnygalecki Kaley Cuoco @normancook Kunal Nayyar @kunalkarmanayyar Mayim Bialik @missmayim Melissa Rauch @melissarauch
9/25/17 Season 11 Premiere episode WHAT DID SHE SAY? FIND OUT AMY'S ANSWER TO SHELDON'S MARRIAGE PROPOSAL ON THE 11th SEASON PREMIERE OF "THE BIG BANG THEORY," MONDAY, SEPT. 25 Will Amy say yes? Laurie Metcalf Returns as Sheldon's Mother, Mary, Riki Lindhome Returns as Ramona, and Stephen Hawking Returns to Guest Star as Himself "The Proposal Proposal" – Amy gives Sheldon an answer to his proposal while Howard and Bernadette struggle with some unexpected news, on the 11th Season Premiere of THE BIG BANG THEORY, Monday, Sept. 25 (8:00-8:30 PM, ET/PT) on the CBS Television Network. Laurie Metcalf returns as Sheldon's mother, Mary; Riki Lindhome returns as Ramona; and Stephen Hawking returns as himself. CHEAT TWEET: What did Amy say? Find out the answer to Sheldon's proposal on the Season 11 Premiere of @BigBangTheory 9/25 8pm http://bit.ly/2gm3qeS REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) Laurie Metcalf (Mary Cooper) Riki Lindhome (Dr. Ramona Nowitzki) Stephen Hawking (Himself) GUEST CAST: George Wyner (Dr. Zane) Susan Chuang (Dr. Harris) STORY BY: Chuck Lorre, Eric Kaplan, Jeremy Howe TELEPLAY BY: Steve Holland, Maria Ferrari, Tara Hernandez DIRECTED BY: Mark Cendrowski
10/02/17 episode LEONARD'S JOB IS AT STAKE AFTER HE GIVES AN EMBARRASSING RADIO INTERVIEW, ON "THE BIG BANG THEORY," MONDAY, OCT. 2 Editor's note: The air time of this episode has changed. Leonard & Penny having some wine... NPR Host Ira Flatow Returns as Himself and Regina King Returns as Mrs. Davis "The Retraction Reaction" – Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadette bond over having to hide their success from Sheldon and Howard, Monday, Oct. 2 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Ira Flatow returns to guest star as himself, and Regina King returns as Mrs. Davis. CHEAT TWEET: Eek! Leonard jeopardizes his job after giving an embarrassing interview 2 @IraFlatow @BigBangTheory #CBS 10/2 8pm http://bit.ly/2vJHYXu REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Raj Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Regina King (Janine Davis) Ira Flatow (Himself) STORY BY: Steven Molaro, Steve Holland, Maria Ferrari TELEPLAY BY: Dave Goetsch, Eric Kaplan, Anthony Del Broccolo DIRECTED BY: Mark Cendrowski