Hey, I was thinking maybe we take Halley
to the ZOO this weekend.
The Big Bang Theory Season 10, Episode 20
I thought it smelled
like a petting ZOO in here.
The Big Bang Theory Season 10, Episode 8
...as those that plagued Stu the Cockatoo
when he was new at the ZOO.
The Big Bang Theory Season 2, Episode 13
Rhinos are my least favorite
animals at the ZOO.
The Big Bang Theory Season 11, Episode 12
You fooled me with that goat at the petting ZOO,
you will not fool me again.
The Big Bang Theory Season 8, Episode 7