Uh, I think that was
a CONTRACTION.
The Big Bang Theory Season 11, Episode 16
Here comes another CONTRACTION.
The Big Bang Theory Season 10, Episode 11
...and tic, the involuntary
muscular CONTRACTION.
The Big Bang Theory Season 2, Episode 1
or five minutes apart
starting with the first CONTRACTION,
The Big Bang Theory Season 10, Episode 11