All right, we've defeated the first CHALLENGE.
The Big Bang Theory Season 8, Episode 19
There would be greater shame
in accepting a CHALLENGE from a criminal.
Vikings Season 1, Episode 6
The CHALLENGE is declined.
Vikings Season 1, Episode 6
That's it. The Sheldon Cooper
Girlfriend Challenge is officially live.
The Big Bang Theory Season 9, Episode 8
She has set me a CHALLENGE
Vikings Season 1, Episode 9