The Official Big Bang Theory Podcast

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.

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

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

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

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

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