
Peter Jackson's office in New Zealand.
It wasn't ours.
The Big Bang Theory Season 3, Episode 17

Because I saw Peter Pan
and you're dressed exactly like Cathy Rigby.
The Big Bang Theory Season 1, Episode 6

...Otto Octavius, Silver Surfer,
Peter Parker.
The Big Bang Theory Season 3, Episode 16

Do you know,
I've corresponded with Peter Higgs.
The Big Bang Theory Season 10, Episode 24

...after Peter Pan cut it off.
The Big Bang Theory Season 3, Episode 14