Transformers/My Little Pony: Dawn of Nightcron

 (Japanese: トランスフォーマー/私のリトルポニー：ナイトクロンの夜明け, Toransufōmā/Watashi no Ritoruponī: Naitokuron no Yoake) is a Japanese animated action-adventure-science fiction original video animation (OVA), being based on the ' and ' franchises by Hasbro. It is produced by, Hasbro Studios and Warner Bros. Animation Japan, being released by in Japan on TBD. An English dub is produced by, being dubbed by , being released by Warner Bros. Home Entertainment in the United States on TBD.

Synopsis
When Unicron and Nightmare Moon fuse into a powerful being, the Autobots and the Mane Six have to work together to stop them.

Japanese

 * as Optimus Prime
 * as Bumblebee
 * as Twilight Sparkle
 * as Spike
 * and (fused voices) as Nightcron
 * as Unicron
 * as Princess Luna/Nightmare Moon
 * as Megatron
 * as Starscream
 * as Steeljaw
 * as Soundwave
 * as Shockwave
 * as Arcee
 * as Jazz
 * as Bulkhead
 * as Prowl
 * as Hound
 * as Rainbow Dash
 * as Rarity
 * as Pinkie Pie
 * as Applejack
 * as Fluttershy
 * as Ultra Magnus
 * as Sentinel Prime
 * as Princess Celestia
 * as Discord

English

 * Keith Silverstein as Optimus Prime
 * Travis Willingham as Bumblebee and Jazz
 * Laura Bailey as Twilight Sparkle and Arcee
 * Wally Wingert as Spike and Bulkhead
 * Robin Atkin Downes and Colleen Villard (fused voices) as Nightcron
 * Robin Atkin Downes as Unicron
 * Colleen Villard as Princess Luna/Nightmare Moon
 * Troy Baker as Megatron, Starscream and Steeljaw
 * Steven Blum as Soundwave and Shockwave
 * TBD as Prowl
 * Roger Craig Smith as Hound
 * Colleen Villard as Rainbow Dash and Applejack
 * Karen Strassman as Rarity
 * TBD as Pinkie Pie
 * TBD as Fluttershy
 * TBD as Ultra Magnus
 * TBD as Sentinel Prime
 * TBD as Princess Celestia
 * TBD as Discord

Trivia

 * This is the first animated crossover between Hasbro's two main franchises.
 * The events of the film are based on the WB Kids incarnations of the franchises.