Megatron is no more! I now lead the Decepticons.
8 seconds sound clip from The Transformers (1984) - Countdown to Extinction TV Series.
You can hear this line at 00:10:21 in the DVD version of the movie.
Quote context
[...]
- Fallback Decepticons! These Autobots are too hero programmed to know when to quit.
- Good work, Autobots! But we don't want to lose track of them. Transform... And roll out!
- I have come on a most urgent mission.
- Before you continue, this Eartch creature may not enter here. Megatron has so ordered.
- Megatron is no more! I now lead the Decepticons.
- What?
- When his starship was destroyed, Megatron entered oblivion!
- But Megatron is indestructable!
- Then why not contact him, Shockwave?
[...]