Rick and Morty, Season 6

Rick:
Guess what? Dinosaurs are not secretly evil, and they're not out to cause anybody trouble - but it turns out trouble has a way of following them. [releases a small robot from an envelope]

Robot:
Oh, yes, yes, yes! It's showtime! [projects images of craters from the other planets]

Rick:
Literally every planet with dinosaurs on it is eventually smashed by a huge space rock that takes out them and most existing life.

Brachiosaurus:
What? That can't be true.

Rick:
It's all right to be frustrated. Let me explain. Why would planet-killing meteors follow dinosaurs? As these reptiles evolved to higher and higher levels of loving vegan godhood, another lifeform devolved into an equally selfless, hate-filled species of barely sentient rocks. They hurtle through space and do as much damage as they can to their chosen enemy, which is guess who? Yup, everywhere these dinos go, these rocks, they come a-crashing, and this one... [the meteor is shown, speeding through space and babbling angrily] is headed directly towards us!

Triceratops:
And all of our work? It was for--

Rick:
Nothing! Bingo! Welcome to life. It's a big boat with a lot of holes, but we're all in it together.