
Oh, hey, on a RELATED subject...
The Big Bang Theory Season 3, Episode 6

All right.
Is my pole flag RELATED?
The Big Bang Theory Season 9, Episode 15

It's a branch of philosophy
RELATED to linguistics.
The Big Bang Theory Season 1, Episode 5

did you ever do anything
remotely RELATED to combat?
Game of Thrones Season 4, Episode 5

are you RELATED to Dr. Beverly Hofstadter?
The Big Bang Theory Season 9, Episode 12