"Riddle me this..."
Got it.
The Big Bang Theory Season 7, Episode 3
Ooh! I do love a RIDDLE.
Oh, let me see.
The Big Bang Theory Season 11, Episode 11
Okay, then RIDDLE me this.
The Big Bang Theory Season 1, Episode 10
ls this a RIDDLE?
Game of Thrones Season 2, Episode 10
Your next puzzle is a RIDDLE.
The Big Bang Theory Season 7, Episode 3