See How Animators Finally Brought The Dinobots To 'Transformers' (Exclusive)

Dinos in disguise.

After years of waiting, "Transformers" fans finally got to see Grimlock and the rest of the Dinobots on the big screen in Michael Bay's retro toy franchise.

And now that "Transformers: Age of Extinction" is hitting Blu-ray and DVD on September 30, we're all getting a behind-the-scenes-look at how ILM created the prehistoric robots in disguise.

In the exclusive clip above, we get just a preview of the exhaustive work that went into bringing something new to the series. "New" just happens to mean "robotic dinosaurs" in this case.

"Transformers: Age of Extinction" will be out on Blu-ray and DVD on September 30.