
Superman doesn't sweat on Earth.
The Big Bang Theory Season 2, Episode 11

Both so different
like Clark Kent and Superman.
Money Heist Season 1, Episode 6

Unless Superman
matches her speed and decelerates.
The Big Bang Theory Season 1, 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