is based on a BLUNDER.
The Big Bang Theory Season 7, Episode 10
"The Wonder Blunder."
The Big Bang Theory Season 7, Episode 10
...as the single biggest BLUNDER
of his career.
The Big Bang Theory Season 3, Episode 1
...and see if there's a BLUNDER
I overlooked.
The Big Bang Theory Season 2, Episode 14
of my life is
based on a BLUNDER.
The Big Bang Theory Season 7, Episode 6