50 Amazing Science Projects
You Can Perform on Your Kid.
The Big Bang Theory Season 12, Episode 17
♪ I've got parts to PERFORM,
hearts to warm ♪
The Big Bang Theory Season 12, Episode 10
You need your sleep for your cognitive
processing to PERFORM at optimum levels.
The Big Bang Theory Season 2, Episode 6
You and I are gonna PERFORM
a full backup, reinitialize...
The Big Bang Theory Season 3, Episode 12
Well, Penny is on her way to PERFORM in
a one-night showcase production of Rent...
The Big Bang Theory Season 1, Episode 10