
Superman would have taken his uniform
to a Kandorian dry-cleaner...
The Big Bang Theory Season 2, Episode 11

is out flying,
Superman has to fly after him
The Big Bang Theory Season 12, Episode 2

(HUMMING "SUPERMAN" THEME SONG)
The Big Bang Theory Season 2, Episode 21

How could Batman possibly fight Superman?
The Big Bang Theory Season 9, Episode 13

But you're okay with Superman
concealing his identity with glasses?
The Big Bang Theory Season 8, Episode 6