
With their support, none
could CHALLENGE us.
Game of Thrones Season 6, Episode 2

All right, we've defeated the first CHALLENGE.
The Big Bang Theory Season 8, Episode 19

it was an unnecessary CHALLENGE
to our heterosexuality.
The Big Bang Theory Season 5, Episode 17

Ragnar said that
if you refuse his CHALLENGE,
Vikings Season 1, Episode 6

Oh, come on, a smart guy like you?
It'll be a CHALLENGE.
The Big Bang Theory Season 3, Episode 10