He's gone now.
4 seconds sound clip from The Transformers (1984) - More Than Meets the Eye TV Series.
You can hear this line at 00:18:01 in the DVD version of the movie.
Quote context
[...]
- You did all anyone could do, Prime.
- That's strange. I saw him before during the fight.
- At last. Total victory is within my grasp.
- I see that you have learned nothing, Starscream.
- Wrong! I've learned a great deal. I won't miss this time!
- Beware. If you dispose of me, there will always be someone waiting to dispose of you.
[...]