Edit: Holy- it ain't even that goof

(please go to https://www.youtube.com/watch?v=fAnjIDr1d-I&list=LL&index=441&t=2979s and watch the vid because this is based on that) Ash, Mew, and Mewtwo are exploring the abandoned lab where Mewtwo was created with Ash holding the flashlight

Mewtwo: "be careful Ash, this place is dangerous..." Ash: "don't Worry Mewtwo I'm sure nothing bad will happen!"

Mew: "Mew, Mew (I agree with Mewtwo Ash)"