That's what makes
their friendship UNLIKELY!
The Big Bang Theory Season 7, Episode 10
Unlikely. You had just been born.
Game of Thrones Season 4, Episode 7
A decryption key needed
only in the UNLIKELY event
Westworld Season 2, Episode 7
It's not terrific.
Lots of highly UNLIKELY things happen.
The Big Bang Theory Season 9, Episode 15
Unlikely, but it could be a dwarf planet.
The Big Bang Theory Season 9, Episode 12