Leonard's lactose INTOLERANT.
He can't eat anything here...
The Big Bang Theory Season 4, Episode 4
- Right. No. I'm lactose INTOLERANT.
- Right.
The Big Bang Theory Season 2, Episode 1
You know I can't eat butter.
I'm lactose INTOLERANT.
The Big Bang Theory Season 2, Episode 23
that he's not really
lactose INTOLERANT, hmm?
The Big Bang Theory Season 11, Episode 17
He can't eat cheesecake.
He's lactose INTOLERANT.
The Big Bang Theory Season 1, Episode 16