This is how Opening: Optimus' Narration goes in My Little Pony Transformers: Revenge of the Fallen.

[We see ancient Equestria]

Optimus Prime: (narrating) Equestria, birthplace of the Equine race.

[We see some ancient Equestrians]

Optimus Prime: (narrating) A species much like our own. Capable of great compassion.

[They see a tiger approach them]

Optimus Prime: (narrating) And great violence.

[The ancient Equestrians charge at the animal]

Optimus Prime: (narrating) For in our quest to protect the Equines, a deeper revelation dawns. Our worlds have met before.

[An ancient Equestrian holds up his hoof to signal everyone to stop]

[We see a bunch of Cybertronians building a pyramid shaped machine]

[The Cybertronians stop and look at the watching Equines - including Megatronus Prime, AKA The Fallen]

[The ancient Equestrians yell in fright as he kills them]

[My Little Pony Transformers: Revenge of the Fallen appears on the screen]