The first PUZZLE is a PUZZLE!
The Big Bang Theory Season 7, Episode 3
where the last PUZZLE gives the winner
Sheldon's contact information.
The Big Bang Theory Season 9, Episode 8
all of the different pieces
in a PUZZLE.
Westworld Season 3, Episode 8
New PUZZLE, Ma!
The Big Bang Theory Season 4, Episode 19
Your next PUZZLE is a riddle.
The Big Bang Theory Season 7, Episode 3