Kaley Cuoco Surprised 'Big Bang Theory' Co-Stars Didn't Call Her Out

The actress was shocked her castmates didn't confront her over a 'bad' on-set habit.

Published on Feb. 10, 2026

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Kaley Cuoco, who played Penny on the hit sitcom 'The Big Bang Theory', revealed that she was surprised her co-stars didn't call her out over a 'bad' habit she had on set. The actress didn't specify what the habit was, but said she expected her castmates to address it with her at the time.

Why it matters

Cuoco's comments provide a rare behind-the-scenes look at the dynamics between the 'Big Bang Theory' cast members, who were known for their close-knit relationship both on and off screen during the show's 12-season run.

The details

In a recent interview, Cuoco said she had a 'bad' habit while filming 'The Big Bang Theory' that she expected her co-stars to confront her about, but they never did. She didn't elaborate on what the specific habit was, leaving fans to speculate. The revelation offers a glimpse into the private interactions between the show's ensemble cast, who were widely reported to be good friends throughout the sitcom's production.

  • The Big Bang Theory aired new episodes on CBS from 2007 to 2019.

The players

Kaley Cuoco

The actress who played the role of Penny on the hit sitcom 'The Big Bang Theory'.

The Big Bang Theory

A popular American sitcom that aired on CBS from 2007 to 2019 and centered around a group of socially awkward scientists and their neighbor Penny.

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What they’re saying

“I'm shocked my co-stars didn't call me out over this 'bad' thing I did on set.”

— Kaley Cuoco (bakersfieldnow.com)

The takeaway

Cuoco's comments provide a rare glimpse into the behind-the-scenes dynamics of the 'Big Bang Theory' cast, hinting at a close-knit relationship where the actors felt comfortable enough not to confront each other over minor issues during the show's long run.