What's the thanks I get for turning
Leonard into quality boyfriend MATERIAL?
The Big Bang Theory Season 4, Episode 19
So the waste MATERIAL avoids the turbine.
The Big Bang Theory Season 2, Episode 22
...our genetic MATERIAL
has the potential of producing the first...
The Big Bang Theory Season 4, Episode 1
it's possible that
I'm not boyfriend MATERIAL.
The Big Bang Theory Season 5, Episode 12
Material Girl needs to be retired.
That is your karaoke song.
The Big Bang Theory Season 10, Episode 13