
Superman is vulnerable to magic.
The Big Bang Theory Season 1, Episode 5

What's wrong, Superman?
Locked out of your big ice thingy?
The Big Bang Theory Season 2, Episode 21

Plus Superman and Godzilla.
The Big Bang Theory Season 1, Episode 5

...do you wanna join us for Thai food
and a Superman movie marathon?
The Big Bang Theory Season 1, Episode 2

Like Superman and Clark Kent.
Money Heist Season 1, Episode 12