Rachet and Megatron's fusion in the Marvel comics is the ONLY scary thing I can think of.

I can think of some:

 

Optimus's death in the G1 movie

 

Megatron ripping Jazz in half in the new one

 

and the new series had its moment of scariness.

G1

 

When Optimus dead @ TF:TM.

 

When Megatron 'dead' / converted into Galvatron. All of my longtime "ALL-HAIL-LORD-MEGATRON!!" fascination vaporized within seconds when he turns out to be a gay-purple bot.

 

Entire season 3 is sucks. Rodimus was the first emo in the universe.

 

BW/BM

 

The first appearance of Depth Charge, hell, it was kinda creepy for me, thought he's gonna be like some Predacon mercenary-for-hire, turns out I was wrong.

 

And it always creep me out to see Rattrap become the most physically challenged TF on TF history. I mean, c'mon, wheelchair for legs, that's pathetic.

 

When realizing the end of Cybertron = trashy greeny planet. Hello......................... Backward civilization?!?!?!

 

TF2007

 

"You wanna piece of me?!" - "MAYBE TWO!!" - *CRAAK!*

 

And when that Mr Hate get decapitated by Prime. Damn, even Rambo attempts that move at that Burmese soldier, only with bare hands.

When Megatron 'dead' / converted into Galvatron. All of my longtime "ALL-HAIL-LORD-MEGATRON!!" fascination vaporized within seconds when he turns out to be a gay-purple bot.

 

Tinky Winky anyone?

And it always creep me out to see Rattrap become the most physically challenged TF on TF history. I mean, c'mon, wheelchair for legs, that's pathetic.

Well Look at DOOM the Movie.. PINKY anyone?? :eek :eek :eek

TF2007

 

"You wanna piece of me?!" - "NO I WANT... TWO!!" - *CRAAK!*

FIX'D

When Megatron 'dead' / converted into Galvatron. All of my longtime "ALL-HAIL-LORD-MEGATRON!!" fascination vaporized within seconds when he turns out to be a gay-purple bot.

 

Tinky Winky anyone?

 

Season 3 Decepticons got too much Tinky Winky clones. Galvatron, Cyclonus, Scourge, the Sweeps. Oh lord.

 

And it always creep me out to see Rattrap become the most physically challenged TF on TF history. I mean, c'mon, wheelchair for legs, that's pathetic.

Well Look at DOOM the Movie.. PINKY anyone?? :eek :eek :eek

 

Both Pinky and Rattrap got one thing in common : They both creeps me out.

 

TF2007

 

"You wanna piece of me?!" - "NO I WANT... TWO!!" - *CRAAK!*

FIX'D

 

That fix is pure win. Thx, matey.

When Megatron 'dead' / converted into Galvatron. All of my longtime "ALL-HAIL-LORD-MEGATRON!!" fascination vaporized within seconds when he turns out to be a gay-purple bot.

 

Tinky Winky anyone?

 

Season 3 Decepticons got too much Tinky Winky clones. Galvatron, Cyclonus, Scourge, the Sweeps. Oh lord.

 

Let the Gheyness begin!

 

Goki, FTW. That still creeps me out.