Moment From Transformers: Dark of the Moon

Optimus Kills Megatron
Even wounded by Sentinel Prime, Optimus Prime decides to end the war with the Deceptions, by removing Megatron's head.
Sam Witwicky takes his first tenuous steps into adulthood while remaining a reluctant human ally of Autobot-leader Optimus Prime. The film centers around the space race between the USSR and the USA, suggesting there was a hidden Transformers role in it all that remains one of the planet's most dangerous secrets.
Tags: moon, spacecraft, traitor, bodyguard, alien planet, based on cartoon, transformers, giant robot, sabotage, word domination, commando, duringcreditsstinger