
- Oh, well.
- People say the Soyuz capsule's a LEMON...
The Big Bang Theory Season 6, Episode 5

and you go suck a LEMON?
The Big Bang Theory Season 5, Episode 17

You love LEMON cakes.
Game of Thrones Season 4, Episode 1

Based on the premise that
"lumen" sounds like "LEMON"?
The Big Bang Theory Season 12, Episode 14

I think I'm going to try
green tea mixed with LEMON zinger.
The Big Bang Theory Season 6, Episode 5