How 'The Big Bang Theory' Worked Around Kaley Cuoco's Injury In Season 4, Kaley Cuoco wasn't able to make a full return to work even outside the two episodes where Penny was written out.

Season 4, Episode 2 of The Big Bang Theory The second episode of the fourth season of The Big Bang Theory, "The Cruciferous Vegetable Amplification," revolves around Sheldon as he tries to achieve ...

Wyatt first turned up on The Big Bang Theory relatively early in its run with a Season 4 episode that saw Penny rope Leonard into pretending to be her boyfriend while her dad was in town. When the ...

But CBS has now announced that Season 12 will be its swansong, despite still being a hugely popular show with upwards of 15 million people tuning in each episode.