The Official Big Bang Theory Podcast

Captain Sweatpants first appeared on “The Big Bang Theory” in Season 2 and quickly became one of the show’s most recognizable recurring characters. Now, for the first time, he’s opening up about his experience on the series and how a background role turned him into a fan favorite. He shares memories of working alongside the cast, what made the “Big Bang” set so special, and how the other shows he worked on afterward compared to his time at the comic book store. All episodes of “The Big Bang Theory” are available on HBO Max.

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“Young Sheldon” star Raegan Revord, aka Missy Cooper, joins executive producer and showrunner Steve Holland and host Jessica Radloff for a deep dive into the “Young Sheldon” Easter eggs hidden throughout “The Big Bang Theory.” Steve reveals how the writers decided which of Sheldon’s childhood memories from “Big Bang” would make their way into “Young Sheldon” — and how they occasionally had to bend those memories to make them work. Plus, Raegan shares what it was like stepping onto the set of “The Big Bang Theory” and the surprising differences between the two shows. All episodes of “The Big Bang Theory” are available on HBO Max.

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Season 4 of “The Big Bang Theory” ended with one of the show’s most controversial cliffhangers: Penny and Raj waking up in bed together. Executive producer and showrunner Steve Molaro reveals why he had such strong feelings about the storyline — and how he spent the entire summer hiatus trying to figure out a way to undo it. Plus, Steve explains why he and the writers ultimately decided Raj should remain single at the end of the series. All episodes of “The Big Bang Theory” are available on HBO Max.

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The legendary Josh Malina joins Jessica Radloff to look back at his recurring role as Caltech President Siebert, which began in Season 4 and continued through the show’s final season. Josh reveals that he originally auditioned to play Leonard — before quickly learning he was too old for the part — and shares how “Big Bang” co-creator Chuck Lorre promised to find a way to bring him back someday as the guys’ boss. Years later, that promise paid off. Plus, Josh talks about returning to “The Big Bang Theory” after “Scandal” wrapped and why he was so excited to be part of the show’s final season. All episodes of “The Big Bang Theory” are available on HBO Max.

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Executive producer and showrunner Steve Holland joins Jessica Radloff to look back at how “The Big Bang Theory” evolved into one of TV’s most memorable ensembles. Steve shares why there was no grand plan heading into Season 4 and reveals the episode when he realized the new seven-person cast had truly clicked. He also recalls how audiences first responded to Bernadette and Amy and why their additions changed the dynamic of the show. Plus, Steve reveals his least favorite episode of the entire series! All episodes of “The Big Bang Theory” are available on HBO Max.

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Simon Helberg reflects on the magic of “The Big Bang Theory” and the incredible way the show connected people around the world. Seven years after the series finale, Simon shares how his relationship with the show — and his castmates — has evolved. He also looks back at some of Howard’s funniest moments from Season 4, including his hilariously unfortunate encounter with a robotic arm. Plus, Simon reveals how he feels about the possibility of a “Big Bang” reunion. All episodes of “The Big Bang Theory” are available on HBO Max.

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Melissa Rauch looks back on the season that changed everything as Bernadette became a series regular on “The Big Bang Theory.” She recalls what it felt like to see her name in the opening credits for the first time, reveals how the producers discovered she could do the unforgettable Mrs. Wolowitz voice, and shares what she really thought about filming all those bedroom scenes with Howard. Plus, Melissa explains why sharing the screen with Kaley Cuoco and Mayim Bialik became one of her favorite parts of the series. All episodes of “The Big Bang Theory” are available on HBO Max.

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Brian Thomas Smith joins Jessica Radloff to revisit his nine-season run as Zack Johnson, Penny’s lovable but hilariously clueless boyfriend on “The Big Bang Theory.” He shares behind-the-scenes stories from the fan-favorite Justice League Halloween episode, what it was like being the “new kid” alongside Mayim Bialik, and the kindness the cast showed him from day one. Plus, Brian reveals the storyline for an episode that was scrapped after Kaley’s horseback riding accident—and what fans never got to see. All episodes of “The Big Bang Theory” are available on HBO Max.

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Mayim Bialik joins Jessica Radloff to look back on her first season as Amy Farrah Fowler on “The Big Bang Theory.” She shares how Amy evolved over Season 4, the surprising ways she and her character are alike beyond their scientific backgrounds, and how she handled fans who initially opposed Amy and Sheldon’s relationship. Plus, Mayim reflects on what it was like sharing the stage with Jim Parsons for so many years and watching one of television’s most iconic partnerships come to life.

All episodes of “The Big Bang Theory” are available on HBO Max. © 2026 WBEI. THE BIG BANG THEORY characters and elements are © & TM WBEI.

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Kunal Nayyar returns to break down Raj’s Season 4 journey, from the cracks forming in his beloved bromance with Howard to Raj’s unrequited feelings for Bernadette and the shocking season finale that left him waking up next to Penny. Kunal shares why he believes “The Big Bang Theory” reached a new level of success with the additions of Bernadette and Amy, and he reveals how Raj and Howard’s friendship was inspired by his real-life friendships growing up in India. Plus, Kunal teases his return to the “Big Bang” universe in “Stuart Fails to Save the Universe.”

All episodes of “The Big Bang Theory” are available on HBO Max. © 2026 WBEI. THE BIG BANG THEORY characters and elements are © & TM WBEI.

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Season 4 marked a turning point for “The Big Bang Theory” with the additions of Amy Farrah Fowler and Bernadette Rostenkowski, expanding the core cast to seven. Director Anthony Rich joins host Jessica Radloff to discuss the challenges — and unexpected rewards — of bringing the larger ensemble together. They also revisit fan-favorite episode “The Love Car Displacement,” revealing how the memorable road trip came to life and sharing the hilarious scene that ultimately ended up on the cutting room floor. All episodes of “The Big Bang Theory” are available on HBO Max.

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If you're enjoying the Big Bang Theory Podcast, we think you'll love the Stuart Fails to Save the Universe Official Podcast.

Each week, Felicia Day and Wil Wheaton go deep on the latest episode of Stuart Fails to Save the Universe, breaking down the multiverse chaos Stuart Bloom accidentally unleashed, the alternate-universe The Big Bang Theory characters showing up along the way, and what it all means for fans who've loved this world for over a decade. Expect Easter egg hunts, character deep dives, guest appearances from the cast and crew, and the kind of insider access that comes from knowing this universe from the inside out.

Listen to Episode 1, "Spoiler: Gary Dies (with Chuck Lorre, Bill Prady, Zak Penn & John Ross Bowie)" now, and follow Stuart Fails to Save the Universe Official Podcast wherever you get your podcasts.

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Kevin Sussman joins host Jessica Radloff to share what went through his mind when he learned Stuart Bloom would be getting his own “Big Bang Theory” spin-off. He opens up about his excitement for “Stuart Fails to Save the Universe,” what fans can expect from the new series, and why he never imagined Stuart’s story would continue. Kevin also looks back on some of his favorite memories from “The Big Bang Theory” and reveals when he felt he was truly at his best playing the lovable comic bookstore owner. “Stuart Fails to Save the Universe” premieres July 23 on HBO Max. All episodes of “The Big Bang Theory” are available on HBO Max.

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Director Mark Cendrowski joins host Jessica Radloff to revisit one of Season 3’s most beloved episodes, “The Staircase Implementation.” From the group’s first meeting to the creation of Sheldon’s infamous Roommate Agreement — and the story behind the broken elevator — Mark reveals how the flashback episode brought some of “The Big Bang Theory’s” biggest mysteries to life. He also shares why Sheldon avoids making eye contact with his future friends in those early scenes, along with behind-the-scenes stories and hidden Easter eggs fans might have missed.

All episodes of “The Big Bang Theory” are available on HBO Max.

© 2026 WBEI. THE BIG BANG THEORY characters and elements are © & TM WBEI.

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Mayim Bialik and the first female writer on “The Big Bang Theory,” Maria Ferrari, join Jessica Radloff to discuss how Amy Farrah Fowler and Bernadette changed the series forever. Mayim recalls going from raising two young children to suddenly joining one of television’s biggest sitcoms, while Maria shares what it was like watching Mayim bring Amy to life for the very first time. They also reveal why the writers felt they’d never “run out of jokes” for Amy and Sheldon, and Mayim explains the unexpected concern she had before signing on as a series regular: what it would mean for her Ph.D. students.

All episodes of “The Big Bang Theory” are available on HBO Max. © 2026 WBEI. THE BIG BANG THEORY characters and elements are © & TM WBEI.

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Director Anthony Rich shares what was going on behind the scenes during one of “The Big Bang Theory’s” most emotional storylines: Penny and Leonard’s breakup in Season 3. He shares how the timing of the characters’ split closely overlapped with Kaley Cuoco and Johnny Galecki’s real-life breakup, recalls a difficult day on set when Kaley became emotional, and reveals what he told her in that moment. Anthony also discusses the one part of Penny and Leonard’s breakup storyline that Kaley and Johnny both pushed back on — and why it mattered so much to them.

All episodes of “The Big Bang Theory” are available on HBO Max. © 2026 WBEI. THE BIG BANG THEORY characters and elements are © & TM WBEI.

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When Maria Ferrari joined “The Big Bang Theory” in Season 3, she became the show’s first female writer — and helped bring a fresh perspective to the series. In this episode, Maria sits down with host Jessica Radloff to discuss how she helped shape Penny into a more relatable and nuanced character. She also shares what it was like stepping into a writers’ room dominated by men and the challenges and opportunities that came with being the first woman on the writing staff. Plus, Maria reflects on writing her very first “Big Bang” episode, which went on to become one of the series’ most beloved fan favorites. All episodes of “The Big Bang Theory” are available on HBO Max.

© 2026 WBEI. THE BIG BANG THEORY characters and elements are © & TM WBEI.

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Kunal Nayyar, beloved by fans as Raj Koothrappali, joins host Jessica Radloff to revisit his all-time favorite episode of “The Big Bang Theory”: “The Adhesive Duck Deficiency.” Kunal shares behind-the-scenes stories and hidden Easter eggs from the fan-favorite episode, including why co-creator Chuck Lorre told him and co-star Johnny Galecki to put their shirts back on during one memorable scene. He also reflects on the extraordinary success of the series, why “The Big Bang Theory” was always bigger than any one cast member, and the personal sacrifices the cast made to ensure they never missed a taping. All episodes of “The Big Bang Theory” are available on HBO Max.

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The hilarious Melissa Rauch joins host Jessica Radloff to discuss how she landed the role of Dr. Bernadette Rostenkowski-Wolowitz on “The Big Bang Theory.” Melissa shares her journey from the unemployment office to one of television’s most beloved sitcoms and reveals how she developed Bernadette’s iconic voice (spoiler alert: it’s not her real voice!). She also reflects on the “Big Bang” audience, which she describes as “electric” and unlike anything she had ever experienced. Plus, she explains why she considers co-star Simon Helberg to be “mind-blowingly talented.” All episodes of “The Big Bang Theory” are available on HBO Max.

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Sheldon Cooper’s ultimate nemesis, Wil Wheaton, joins host Jessica Radloff to look back on his unforgettable run on “The Big Bang Theory” — including why he calls his time on set “the best days of my life.” Wil shares why he almost passed on the role that would make him a fan-favorite villain, how growing up a self-proclaimed nerd made him the perfect fit for the show, and the real-life connection he felt with Sheldon and the gang. Plus, he reveals hidden Easter eggs and behind-the-scenes details from his iconic Season 3 episodes that even longtime fans might have missed. All episodes of “The Big Bang Theory” are available on HBO Max.

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