Spoiler: 4/05/18 episode LEONARD RUNS AGAINST SHELDON FOR PRESIDENT OF THE TENANTS ASSOCIATION, ON "THE BIG BANG THEORY," THURSDAY, APRIL 5 "The Tenant Disassociation" – When Leonard learns Sheldon is the president of the tenants association, he decides to run against him. Also, Bernadette encourages Wolowitz and Koothrappali to find the owner of a drone after they find it in the backyard, on THE BIG BANG THEORY, Thursday, April 5 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Time to vote! Leonard runs against Sheldon for president of the tenants association @BigBangTheory #CBS 4/5 8pm http://bit.ly/2FJOoek 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: Michelle Arthur (Mrs. Petrescu) Parvesh Cheena (Marcus) Bob Stephenson (Wendell) Megan McGown (Cynthia) STORY BY: Steve Holland & Jeremy Howe & Trevor Alper TELEPLAY BY: Dave Goetsch & Eric Kaplan & Maria Ferrari DIRECTED BY: Mark Cendrowski
Spoiler: 4/12/18 episode IT'S BACHELOR AND BACHELORETTE PARTY NIGHT FOR SHELDON AND AMY, ON "THE BIG BANG THEORY," THURSDAY, APRIL 12 Peter MacNicol Guest Stars as Doctor Wolcott, a Brilliant Scientist "The Reclusive Potential" – A brilliant but reclusive scientist, Doctor Wolcott (Peter MacNicol), invites Sheldon to his cabin in the middle of nowhere, and Leonard, Raj and Howard go along for the trip. Also, Penny and Bernadette improvise after Amy doesn't like the tame bachelorette party they planned for her, on THE BIG BANG THEORY, Thursday, April 12 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Time for bachelor & bachelorette party night for Sheldon & Amy; so why doesn't it feel like a party? @BigBangTheory #CBS 4/12 8pm http://bit.ly/2FVQSu9 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) GUEST CAST: Peter MacNicol (Doctor Wolcott) James Maslow (Bartender) Edward James Gage (Mailman) STORY BY: Maria Ferrari & Anthony Del Broccolo & Tara Hernandez TELEPLAY BY: Steve Holland & Eric Kaplan & Adam Faberman DIRECTED BY: Mark Cendrowski
Spoiler: 4/19/18 episode PENNY MAKES A SCIENTIFIC DISCOVERY, ON "THE BIG BANG THEORY," THURSDAY, APRIL 19 Author Neil Gaiman Bestselling Author Neil Gaiman Guest Stars as Himself "The Comet Polarization" – Sheldon's comic book store experiences changes when writer Neil Gaiman puts Stuart's store on the map. Also, Koothrappali takes credit for Penny's astronomical discovery, and friendships are threatened, on THE BIG BANG THEORY, Thursday, April 19 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: What is Neil Gaiman (@neilhimself) doing in Stuart's comic book store? Sheldon doesn't like it. @BigBangTheory #CBS 4/19 8pm http://bit.ly/2Ivb7eV 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: Neil Gaiman (Himself) Lauren Lapkus (Denise) Patrick Daniel (Grant) STORY BY: Steve Holland & Bill Prady & Eric Kaplan TELEPLAY BY: Maria Ferrari & Andy Gordon & Tara Hernandez DIRECTED BY: Mark Cendrowski
Spoiler: 4/26/18 episode SHELDON DOES EVERYTHING HE CAN TO RAISE $300 MILLION, ON "THE BIG BANG THEORY," THURSDAY, APRIL 26 "The Monetary Insufficiency" – Sheldon goes to Vegas to win money for science. Also, Penny and Bernadette take Amy wedding dress shopping, but her terrible choice entangles them in a web of lies, on THE BIG BANG THEORY, Thursday, April 26 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Show me the $$! Sheldon does everything he can to raise $300 million for science. @BigBangTheory #CBS 4/26 8pm http://bit.ly/2q4IvTe 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) Joshua Malina (President Siebert) GUEST CAST: Mark Berry (Pit Boss) Evan Charest (Croupier/Chris) D'Kia Anderson (Hostess) Seth Coltan (Earl) STORY BY: Dave Goetsch & Maria Ferrari & Tara Hernandez TELEPLAY BY: Steve Holland & Eric Kaplan & Jeremy Howe DIRECTED BY: Nikki Lorre
Spoiler: 5/03/18 episode SHELDON VISITS HIS OLDER BROTHER, GEORGIE, IN TEXAS, ON "THE BIG BANG THEORY," THURSDAY, MAY 3 Jerry O'Connell Guest Stars as Sheldon's Older Brother, Georgie "The Sibling Realignment" – When Sheldon learns that his mother won't attend his wedding unless he invites his brother, Georgie (Jerry O'Connell), he and Leonard travel to Texas to end a family feud. Also, the Wolowitz kids inadvertently infest Amy, Bernadette, Wolowitz and Koothrappali with pinkeye, on THE BIG BANG THEORY, Thursday, May 3 (8:00-8:31 PM, ET/PT), on the CBS Television Network. CHEAT TWEET: Sheldon & Leonard travel to Texas to visit Sheldon's older brother Georgie (@MrJerryOC) and attempt to end a family feud. @BigBangTheory #CBS 5/3 8pm http://bit.ly/2Hv9z87 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) GUEST CAST: Jerry O'Connell (George Cooper, Jr.) Lynn Andrews (Margaret) Ellie Reed (Jenna) STORY BY: Steve Holland, Eric Kaplan, Anthony Del Broccolo TELEPLAY BY: Dave Goetsch, Maria Ferrari, Jeremy Howe DIRECTED BY: Marc Cendrowski
Spoiler: 5/10/18 Season 11 Finale episode SHELDON AND AMY'S FAMILIES ARRIVE FOR THE WEDDING, ON THE 11th SEASON FINALE OF "THE BIG BANG THEORY," THURSDAY, MAY 10 Guest Stars Include Academy Award Winner Kathy Bates, Legendary Actor Mark Hamill, and Writer and Producer Teller John Ross Bowie, Courtney Henggeler, Lauren Lapkus, Laurie Metcalf, Jerry O'Connell, Brian Posehn and Wil Wheaton Return "The Bow Tie Asymmetry" – When Amy's parents and Sheldon's family arrive for the wedding, everybody is focused on making sure all goes according to plan – everyone except the bride and groom, on the 11th Season Finale of THE BIG BANG THEORY, Thursday, May 10 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Sheldon & Amy's Family arrive for the wedding! @MsKathyBates @HamillHimself @MrTeller @JohnRossBowie @Lauren Lapkus @MrJerryOC @thebrianposehn @Wilw Guest Star on the 11th Season Finale of @BigBangTheory #Shamy #CBS 5/10 8pm http://bit.ly/2r2LAUe 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) John Ross Bowie (Barry Kripke) Wil Wheaton (Himself) Brian Posehn (Bert Kibbler) Jerry O'Connell (George Cooper, Jr.) Courtney Henggeler (Missy Cooper) Lauren Lapkus (Denise) GUEST CAST: Teller (Mr. Fowler) Kathy Bates (Mrs. Fowler) Mark Hamill (Himself) STORY BY: Chuck Lorre & Steven Molaro & Maria Ferrari TELEPLAY BY: Steve Holland & Eric Kaplan & Tara Hernandez DIRECTED BY: Marc Cendrowski FYI: CBS has renewed The Big Bang Theory for Season 12. 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/BigBangTheory Instagram: @BigBangTheory_CBS CBS Twitter: http://twitter.com/CBS Cast on Twitter: Simon Helberg @simonhelberg Kunal Nayyar @kunalnayyar Mayim Bialik @missmayim Melissa Rauch @melissarauch Cast on Instagram: Johnny Galecki @sanctionedjohnnygalecki Jim Parsons @therealjimparsons Kaley Cuoco @normancook Kunal Nayyar @kunalkarmanayyar Mayim Bialik @missmayim Melissa Rauch @themelissarauch
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 marrying her after a long courtship. 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 two children. ON AIR: Begins its 12th Season Monday, Sept. 24 (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 Sept. 27. ORIGINATION: Los Angeles FORMAT: Comedy (Filmed in HD) STARRING: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) 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 and Steve Holland 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
Spoiler: 9/24/18 Season 12 Premiere episode SHELDON AND AMY HONEYMOON, ON THE 12th SEASON PREMIERE OF "THE BIG BANG THEORY," ON A SPECIAL NIGHT, MONDAY, SEPT. 24 Editor's note: The air time of this episode has changed. Newlyweds Sheldon & Amy Kathy Bates and Teller Return as Amy's Parents, and Neil deGrasse Tyson Guest Stars as Himself "The Conjugal Configuration" – Sheldon and Amy's honeymoon runs aground in New York, while Penny and Leonard discover they are uncomfortably similar to Amy's parents, Mr. and Mrs. Fowler (Teller and Kathy Bates). Also, Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war, on the 12th Season Premiere of THE BIG BANG THEORY, on a special night, Monday, Sept. 24 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: L-O-V-E! Sheldon & Amy honeymoon in New York on the 12th Season Premiere of @BigBangTheory on a special night, Monday 9/24 8pm. @MsKathyBates @MrTeller & @NeilTyson Guest Star! #CBS http://bit.ly/2OHsIDU REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Rajesh Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kathy Bates (Mrs. Fowler) Teller (Mr. Fowler) Neil deGrasse Tyson (Himself) Bill Nye (Himself) GUEST CAST: Giovanni Bejarano (Bellman) Ciara Renée (Sunny Morrow) Andy Taylor Kim (Tour Guide) STORY BY: Chuck Lorre, Eric Kaplan, Tara Hernandez TELEPLAY BY: Steve Holland, Maria Ferrari, Jeremy Howe DIRECTED BY: Mark Cendrowski
Spoiler: 9/27/18 episode SHELDON AND AMY ARE BAFFLED BY THE GIFT PENNY AND LEONARD GAVE THEM FOR THEIR WEDDING, ON "THE BIG BANG THEORY," WHEN IT MOVES TO ITS REGULAR TIME SLOT, THURSDAY, SEPT. 27 "The Wedding Gift Wormhole" – Sheldon and Amy drive themselves crazy trying to figure out what "perfect gift" Leonard and Penny gave them for their wedding. Also, Koothrappali decides he wants to settle down and asks his father to arrange a marriage for him, on THE BIG BANG THEORY, when it moves to its regular time slot, Thursday, Sept. 27 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Leonard & Penny gave Sheldon & Amy the "perfect gift" for their wedding! What could it be? All New @BigBangTheory Thursday 9/27 at 8pm. #CBS http://bit.ly/2M73FIg REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Rajesh Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) Brian George (Dr. V.M. Koothrappali) Brian Posehn (Bert Kibbler) Lauren Lapkus (Denise) GUEST CAST: Luis Aldana (Greg) Kikéy Castillo (Leslie) STORY BY: Steve Holland, Steven Molaro, Maria Ferrari TELEPLAY BY: Dave Goetsch, Eric Kaplan, Andy Gordon DIRECTED BY: Mark Cendrowski
Spoiler: 10/04/18 episode PENNY AND LEONARD'S MARRIAGE IS PUT TO THE TEST, ON "THE BIG BANG THEORY," THURSDAY, OCT. 4 Keith Carradine (Madam Secretary) Returns as Penny's Father, Wyatt "The Procreation Calculation" – The Wolowitzes' life gets complicated when Stuart starts bringing his new girlfriend home. Also, Penny and Leonard talk about starting a family while Koothrappali explores an arranged marriage, on THE BIG BANG THEORY, Thursday, Oct. 4 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Keith Carradine returns as Penny's father, Wyatt. CHEAT TWEET: Penny & Leonard's marriage is put to the test while Koothrappali starts to explore the possibility of an arranged marriage on an All New @BigBangTheory Thursday 10/4 at 8pm. #CBS #KeithCarradine returns as Penny's father! http://bit.ly/2O12f7h REGULAR CAST: Johnny Galecki (Leonard Hofstadter) Jim Parsons (Sheldon Cooper) Kaley Cuoco (Penny Hofstadter) Simon Helberg (Howard Wolowitz) Kunal Nayyar (Rajesh Koothrappali) Mayim Bialik (Amy Farrah Fowler) Melissa Rauch (Bernadette Rostenkowski) RECURRING CAST: Kevin Sussman (Stuart Bloom) Keith Carradine (Wyatt) Lauren Lapkus (Denise) GUEST CAST: Rati Gupta (Anu) Matt Knudsen (Waiter) STORY BY: Chuck Lorre, Tara Hernandez, Adam Faberman TELEPLAY BY: Steve Holland, Maria Ferrari, Anthony Del Broccolo DIRECTED BY: Mark Cendrowski
10/11/18 episode SHELDON SEES HIS CHILDHOOD BEST FRIEND, TAM, FOR THE FIRST TIME IN 20 YEARS, ON "THE BIG BANG THEORY," THURSDAY, OCT. 11 Sheldon introduces Raj, Leonard, and Simon to his childhood friend, Tam Jerry O'Connell Returns as Sheldon's Older Brother, George "The Tam Turbulence" – When Sheldon won't tell anyone why he's never mentioned Tam (Robert Wu), his childhood best friend, Leonard takes matters into his own hands. Also, Bernadette and Penny take out Raj's fiancée, Anu (Rati Gupta), for dinner to get the skinny on her, on THE BIG BANG THEORY, Thursday, Oct. 11 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Jerry O'Connell returns as Sheldon's brother, George. CHEAT TWEET: Sheldon sees his childhood best friend, Tam, for the first time in 20 years! @BigBangTheory Thursday 10/11 at 8pm. #CBS @MrJerryOC returns as Sheldon's older brother, George. http://bit.ly/2zKu4ZM 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: Jerry O'Connell (George Cooper, Jr.) Rati Gupta (Anu) GUEST CAST: Robert Wu (Tam) STORY BY: Steve Holland, Steven Molaro, Maria Ferrari TELEPLAY BY: Dave Goetsch, Eric Kaplan, Jeremy Howe DIRECTED BY: Mark Cendrowski 10/18/18 episode SHELDON SABOTAGES AMY'S CAREER AND GETS A GHOSTLY VISIT FROM AN OLD FRIEND, ON "THE BIG BANG THEORY," THURSDAY, OCT. 18 Emmy Award Winner Bob Newhart Returns as Arthur Jeffries "The Planetarium Collision" – When Amy doesn't have time to work on super-asymmetry, Sheldon goes to great lengths to ensure she's available to work with him even it if means accidentally sabotaging her career in the process. Also, Koothrappali doesn't want Wolowitz to join him in hosting a show at the planetarium, on THE BIG BANG THEORY, Thursday, Oct. 18 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Emmy Award winner Bob Newhart returns as Arthur Jeffries. CHEAT TWEET: Sheldon accidentally sabotages Amy's career and gets a ghostly visit from an old friend. @BobNewhart Returns @BigBangTheory Thursday 10/18 at 8pm. #CBS http://bit.ly/2zKl1b5 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: Bob Newhart (Arthur Jeffries) Joshua Malina (President Siebert) GUEST CAST: Eddie Shin (Dr. Park) Alison Martin (Andrea) Hermie Castillo (Colin) STORY BY: Eric Kaplan, Andy Gordon, Alex Ayers TELEPLAY BY: Steve Holland, Maria Ferrari, Tara Hernandez DIRECTED BY: Mark Cendrowski Spoiler: 10/25/18 Halloween episode SHELDON'S NOT THE ONLY SHELDON, ON "THE BIG BANG THEORY," THURSDAY, OCT. 25 Sheldon doesn't appreciate Howard dressing up like him for Halloween! "The Imitation Perturbation" – When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Also, Leonard is shocked that Penny doesn't remember their first kiss, on THE BIG BANG THEORY, Thursday, Oct. 25 (8:00-8:31 PM, ET/PT) on the CBS Television Network. CHEAT TWEET: Two Sheldons?! Wolowitz dresses up as Sheldon for Halloween on @BigBangTheory Thursday 10/25 at 8pm. #CBS http://bit.ly/2CLSHYO 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) Rati Gupta (Anu) Pamela Adlon (Halley Wolowitz [voice]) GUEST CAST: David Theune (Dr. Graybel) STORY BY: Steve Holland, Maria Ferrari, Tara Hernandez TELEPLAY BY: Eric Kaplan, Jeremy Howe, Adam Faberman DIRECTED BY: Mark Cendrowski