That is affirmative!
5 seconds sound clip from The Transformers (1984) - Heavy Metal War TV Series.
You can hear this line at 00:19:31 in the DVD version of the movie.
Quote context
[...]
- Optimus is a good as the day he rolled off the mechanical line. Better, even.
- But, I still don't understand where Megaton got enough strength to whip 'im.
- I do. I just had Teletraan I do an energy scan Optimus' damaged parts and, see for yourslves!
- Of course. Somehow Megatron used the powers of all the other Decepticons!
- Then, then Megatron cheated! And we can ignore the agreement with him! Right, Optimus?
- Autobots, the time has come to fight back!
- Nothing defeats the Devastator. Nothing!
- Nothing, little one? What would you say about me?
- Now, before he realises what is happening.
- The giant Autobot was a holographic illusion! It wasn't real!
[...]