
Hop, you little plumber, HOP, HOP, HOP.
The Big Bang Theory Season 2, Episode 2

Hop, you little plumber, HOP, HOP, HOP.
The Big Bang Theory Season 2, Episode 2

Hop, you little plumber, HOP, HOP, HOP.
The Big Bang Theory Season 2, Episode 2

Hop on the ottoman.
The Big Bang Theory Season 10, Episode 13

Hop, you little plumber, HOP, HOP, HOP.
The Big Bang Theory Season 2, Episode 2