
From the moment we
step off the PLANE,
The Big Bang Theory Season 12, Episode 23

The salesman said
it could survive a PLANE crash, so...
The Big Bang Theory Season 10, Episode 23

to get us four seats
on that PLANE
The Big Bang Theory Season 12, Episode 15

I had Wi-Fi and a
long PLANE flight.
The Big Bang Theory Season 12, Episode 2

Query: On what PLANE of existence
is there even a semi-rational link...
The Big Bang Theory Season 1, Episode 1