A decryption key needed
only in the UNLIKELY event
Westworld Season 2, Episode 7
Unlikely.
The Big Bang Theory Season 2, Episode 20
Unlikely, but it could be a dwarf planet.
The Big Bang Theory Season 9, Episode 12
...their love seems UNLIKELY
and doomed to failure.
The Big Bang Theory Season 8, Episode 7
becoming UNLIKELY friends.
The Big Bang Theory Season 7, Episode 10