And the only reason why I'm not roaring with laughter is because someone killed my favorite second cousin and that's a big...
8 seconds sound clip from the Last Action Hero movie soundboard.
You can hear this line at 00:37:35 in the Blu-ray version of the movie.
Quote context
[...]
- Hi. I'm Jack Slater's new partner. Jack and I will be working together for the duration of the film.
- Here's one. Tell me how I know they tortured Frank and then stashed him behind his front door.
- Because I saw it all on screen, because this is a movie.
- Big mistake. That is what you were going to say, right? Gee, how would I know that?
- You really believe that we're inside a movie, don't you?
- Yes!
- All right. I'll give you 10 minutes to prove it and then I shoot you.
[...]