
SHELDON:
Look all the INFINITE
Mandelbrot sets.
The Big Bang Theory Season 12, Episode 19

Yeah, provided he has already read
Infinite Crisis and 52...
The Big Bang Theory Season 2, Episode 20

If there are an INFINITE number
of parallel universes...
The Big Bang Theory Season 4, Episode 5

Plus, you're forgetting
that the Infinite Crisis story line...
The Big Bang Theory Season 2, Episode 20

...which posits the existence of INFINITE
Sheldons in an INFINITE number...
The Big Bang Theory Season 3, Episode 3