
where the last PUZZLE gives the winner
Sheldon's contact information.
The Big Bang Theory Season 9, Episode 8

missing
a piece of the PUZZLE.
Westworld Season 2, Episode 9

I'll just finish my crossword PUZZLE.
The Big Bang Theory Season 1, Episode 1

The first PUZZLE is a PUZZLE!
The Big Bang Theory Season 7, Episode 3

New PUZZLE, Ma!
The Big Bang Theory Season 4, Episode 19