The Brontosaurus, then the Triceratops, and finally the Tyrannosaurus Rex!
8 seconds sound clip from The Transformers (1984) - S.O.S. Dinobots TV Series.
You can hear this line at 00:02:57 in the DVD version of the movie.
Quote context
[...]
- Then let's go, Soundwave. Megatron awaits our report.
- This is exciting, Spike. I've never been to a museum.
- Careful, don't bump your head.
- Wow, man. That's what I call heavy metal!
- There. Why don't you get some holograms of those babies?
- The Brontosaurus, then the Triceratops, and finally the Tyrannosaurus Rex!
- That one's a walking fang factory.
- If only we had some dinosaurs working for us. They'd really shake up the Decepticons.
- Hmm. I'm with you, Wheeljack.
[...]