So, why exactly were its writers forced to partially leave out Penny in the flagship series? Which Episodes of 'The Big Bang Theory' Exclude ... fans saw him develop a new, secret relationship ...

The Big Bang Theory's lead stars, Kaley Cuoco and Johnny Galecki, reunite on-screen in a promotional video for a mobile game.

The Big Bang Theory gave us laughs, but Leonard milking a fake relationship at Penny's expense was peak cringe I’d rather skip every time.

In this episode, Sheldon is burdened with the pressures of a Christmas gift exchange with Penny ... to find the coin. This Big Bang Theory episode explores new duo dynamics, leading to several ...