I say we wait until
his LIGHTS go off,
The Big Bang Theory Season 12, Episode 14
Okay, LIGHTS on, or LIGHTS off?
The Big Bang Theory Season 12, Episode 6
You sure? They turn off the LIGHTS and it's
like a little laser show that poops all over.
The Big Bang Theory Season 6, Episode 8
...in this brief PowerPoint presentation.
Ahem. Lights.
The Big Bang Theory Season 3, Episode 15