But how do you mention BATS
and leave out sonar?
The Big Bang Theory Season 8, Episode 21
(MIMICS BATS SUCKLING)
The Big Bang Theory Season 6, Episode 23
Uh, a swarm of bloodthirsty BATS
fly through the dungeon.
The Big Bang Theory Season 6, Episode 23
And sonar is based on BATS.
The Big Bang Theory Season 11, Episode 8
(MIMICS BATS SUCKLING)
The Big Bang Theory Season 6, Episode 23