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

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

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

Did Sheldon and Amy give
you guys that PUZZLE, too?
The Big Bang Theory Season 11, Episode 12

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