
"Riddle me this..."
Got it.
The Big Bang Theory Season 7, Episode 3

ls this a RIDDLE?
Game of Thrones Season 2, Episode 10

Ooh! I do love a RIDDLE.
Oh, let me see.
The Big Bang Theory Season 11, Episode 11

Your next puzzle is a RIDDLE.
The Big Bang Theory Season 7, Episode 3

Okay, then RIDDLE me this.
The Big Bang Theory Season 1, Episode 10