
Spoiler alert:
20 minutes in,
The Big Bang Theory Season 7, Episode 21

Spoiler alert: After the monkey sees, it kills.
The Big Bang Theory Season 8, Episode 20

Spoiler, way.
The Big Bang Theory Season 10, Episode 20

"Spoiler alert.
When I see you I'm gonna spoil it."
The Big Bang Theory Season 9, Episode 19

Spoiler, works.
The Big Bang Theory Season 10, Episode 20