Sorry, guys, but it kinda looked like a Decepticon.
6 seconds sound clip from The Transformers (1984) - Transport to Oblivion TV Series.
You can hear this line at 00:01:02 in the DVD version of the movie.
Quote context
[...]
- Four million years ago, creatures from the planet Cybertron crash-landed on Earth.
- Mechanical creatures of great technical sophistication: Autobots.
- Sorry, guys, but it kinda looked like a Decepticon.
- Decepticon? Hah! We sent those oversized tin cans, to the bottom of the sea months ago!
- Yep, Decepticons are gone for good. Right, Optimus?
- I wish I could believe that, Ironhide.
- The Autobots think they have defeated us... And yet we survive.
- Losing power. Must... Try... To communicate with Megatron. It's our only hope.
[...]