of Doctor Sheldon Cooper and
Doctor Amy Farrah Fowler present...
The Big Bang Theory Season 10, Episode 7
♪ I'd be Doctor Who
without the TARDIS ♪
The Big Bang Theory Season 7, Episode 6
Nothing.
Okay, I'm glad you're so sure, DOCTOR.
Breaking Bad Season 2, Episode 5
Even Doctor Who?
The Big Bang Theory Season 5, Episode 14
MRS. WOLOWITZ:
Of course. He and I can play DOCTOR.
The Big Bang Theory Season 4, Episode 24