(BALLOON sputters)
The Big Bang Theory Season 5, Episode 23
chasing a BALLOON,
I get worried.
The Big Bang Theory Season 7, Episode 24
Your lactose-intolerant boyfriend will turn
into a gas-filled Macy's Day BALLOON.
The Big Bang Theory Season 4, Episode 24
...but I tacked so many amendments
on that thing it sank like a lead BALLOON.
The Big Bang Theory Season 8, Episode 3
Like that time the
Underdog BALLOON
The Big Bang Theory Season 12, Episode 15