TV series example of the word

The Big Bang Theory Season 1, Episode 14
I need that to complete my Justice Society of America collection.

The Big Bang Theory Season 5, Episode 5
- Do you have a sword collection? - No.

Breaking Bad Season 4, Episode 4
You have a rock collection? lt's a mineral collection.

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

Game of Thrones Season 6, Episode 4
A collection of lies that would disappear in the light.