
You met her at Pasadena's most POPULAR
Irish watering hole, Lucky Baldwin's...
The Big Bang Theory Season 4, Episode 6

but home births
are very POPULAR these days.
The Big Bang Theory Season 10, Episode 11

While all the POPULAR kids are off doing...
The Big Bang Theory Season 8, Episode 22

And for those of you who were POPULAR
in high school, it's over. Sorry.
The Big Bang Theory Season 8, Episode 22

That can't be very POPULAR.
The Big Bang Theory Season 3, Episode 2