Let's see, the magic store,
the Doctor Who convention,
The Big Bang Theory Season 10, Episode 19
But then again,
I don't know much about Doctor Who.
The Big Bang Theory Season 8, Episode 19
Doctor Fowler and I began an
experiment in living together
The Big Bang Theory Season 10, Episode 7
So, you'll go to the Doctor Who convention
with me next week?
The Big Bang Theory Season 9, Episode 12
and you almost
became a DOCTOR?
The Big Bang Theory Season 7, Episode 14