Well, yeah. You know we have two of them.
5 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 00:45:52 in the Blu-ray version of the movie.
Quote context
[...]
- Sam, stop fiddling with that thing and come in here and eat your dinner.
- Now we can watch Jackie Gleason while we eat.
- It's our first television set. Dad just picked it up today.
- Well, yeah. You know we have two of them.
- Oh, honey, he's teasing you. Nobody has two television sets.
- Hey. Hey, I've seen this one. I've seen this one! This is a classic.
- This is where Ralph dresses up as a man from space.
- What do you mean, you've seen this? It's brand-new.
[...]