The Indominus Rex Strikes Back Part 1 is the first half episode of season nine in The Chronicles of Equestria and The Isle of Berk.
The Indominus Rex is back! And she’s not alone, she’s teamed up with Spino, Big One, and the Carnotaurs. And she and Spino re create and breed Theropod Dinosaurs, even hybrids with human bodies and theropod parts and are destroying Equestria homelands. And our heroes are must move all equines from Ponyville, Canterlot, including the vikings of Berk to the Crystal Empire.
- This episode has a “The Lord of the Rings: The Two Towers” mix in it.
- Mike Wazowski, James P. Sullivan, Pooh and his friends, Hiatt Grey's Roary and Theodore Tugboat's Adventure team, Jimmy Neutron and his friends, the Indominus Rex, Spino, The Big One, and The Carnotaurs guest star in this episode.
- The episode continues in The Indominus Rex Strikes Back Part 2.