Season 3

Showrunner Steve Molaro joins for a deep dive into the highly anticipated Penny and Leonard romance that launched Season 3 of "Big Bang."

The one and only Simon Helberg joins host Jessica Radloff for a nostalgic look back at his 12 seasons as fan favorite Howard Wolowitz.

Sheldon Cooper's ultimate nemesis, Wil Wheaton, joins host Jessica Radloff to look back on his unforgettable run on "The Big Bang Theory."

The hilarious Melissa Rauch joins Jessica Radloff to discuss how she landed the role of Dr. Bernadette Rostenkowski-Wolowitz on "The Big Bang Theory."

Kunal Nayyar joins host Jessica Radloff to revisit his all-time favorite episode of "The Big Bang Theory": "The Adhesive Duck Deficiency."

When Maria Ferrari joined "The Big Bang Theory" in S3, she became the show's first female writer — and helped bring a fresh perspective to the series.

Director Anthony Rich shares what was going on behind the scenes during the storyline of Penny and Leonard's breakup in Season 3.o discuss one of The Big Bang Theory's more emotional storylines: Leonard and Penny's Season 3 breakup, which coincided with Kaley Cuoco and Johnny Galecki's real-life split. Anthony tells host Jessica Radloff about a difficult day on set when Kaley Cuoco became emotional, and shares what he told her in that moment. He also discusses one aspect of Leonard and Penny's breakup that both Kaley and Johnny pushed back on.

Mayim Bialik and "Big Bang" writer Maria Ferrari join Jessica Radloff to discuss how Amy Farrah Fowler and Bernadette changed the series forever.

From the group's first meeting to the story behind the broken elevator — director Mark Cendrowski talks about the infamous flashback episode.

Kevin Sussman joins host Jessica Radloff to share what went through his mind when he learned Stuart Bloom would be getting a "Big Bang" spin-off.