Material Girl needs to be retired.
That is your karaoke song.
The Big Bang Theory Season 10, Episode 13
...our genetic MATERIAL
has the potential of producing the first...
The Big Bang Theory Season 4, Episode 1
...you've only selected seven hours
of reading MATERIAL.
The Big Bang Theory Season 4, Episode 9
Not a good idea,
my hair is a coveted nesting MATERIAL.
The Big Bang Theory Season 10, Episode 21
your genetic MATERIAL
for his baby?
The Big Bang Theory Season 12, Episode 12