TV series example of the word

The Big Bang Theory Season 1, Episode 14
He offered me a fair price for the whole collection.

The Big Bang Theory Season 1, Episode 7
Ah. Well, then, we'll probably need to talk about your stuffed-bear collection.

The Big Bang Theory Season 2, Episode 20
- I need it for my Robin collection. - Rock Paper Scissors Lizard Spock?

The Big Bang Theory Season 5, Episode 17
with the Toys for Tots collection box.

The Big Bang Theory Season 8, Episode 7
We're going to Oliver's house to see his collection. Wanna go with us?