
Wonderful security system if
we're attacked by a school of TUNA.
The Big Bang Theory Season 3, Episode 13

Gonna share a can of TUNA
with the cat.
The Big Bang Theory Season 3, Episode 16

I believe our nation's
TUNA cans are safe.
The Big Bang Theory Season 4, Episode 20

...fighting to the death
over a few cans of TUNA fish?
The Big Bang Theory Season 4, Episode 20

Canned TUNA?
Money Heist Season 3, Episode 6