He thinks it's a CLUE
to a scavenger hunt.
The Big Bang Theory Season 12, Episode 2
The CLUE must be
in the bag.
The Big Bang Theory Season 7, Episode 3
a fun and imaginative CLUE
The Big Bang Theory Season 7, Episode 18
Is it a CLUE to
a scavenger hunt
The Big Bang Theory Season 12, Episode 2
now is the time
to fucking CLUE me in. OK?
Westworld Season 2, Episode 9