
Greetings from PLANET Earth.
The Big Bang Theory Season 8, Episode 21

I used to pretend that my dad
had moved to the PLANET Melmac...
The Big Bang Theory Season 3, Episode 17

and you're free to leave
the PLANET if you want.
Money Heist Season 3, Episode 6

You think this PLANET you're looking for
has an atmosphere that supports life?
The Big Bang Theory Season 4, Episode 9

Unlikely, but it could be a dwarf PLANET.
The Big Bang Theory Season 9, Episode 12