The Big Bang Theory (2007-2019), one of the longest studio sitcoms in history was on air for the last time on May 16, 2019.

The Big Bang Theory creator Chuck Lorre and former WB TV chair Peter Roth discuss Kaley Cuoco's Penny and not doing right by her early on.

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On The Official Big Bang Theory Podcast, Chuck Lorre said that Kaley Cuoco's Penny wasn't fully developed in the earlier seasons of the show.

Chuck Lorre knows Penny was "one-dimensional" and "clichéd" in the early days of the hit sitcom, but after several episodes ...

Chuck Lorre and Bill Prady's brand new The Big Bang Theory spinoff gets an official title, which officially reveals its true ...

"We did the very clichéd, in the beginning, goofy blonde who says foolish things," Lorre says of the character Penny.