
Yoda's SWAMP
was in the middle of nowhere.
The Big Bang Theory Season 8, Episode 19

Really, a walking
clump of SWAMP grass?
The Big Bang Theory Season 11, Episode 12

Listen, I got to level 25
and reached Purple Lotus Swamp, right?
The Big Bang Theory Season 2, Episode 3

what am I doing in a SWAMP...
The Big Bang Theory Season 7, Episode 22

Oh, well, it's
you, Swamp Thing,
The Big Bang Theory Season 7, Episode 11