MetalSeadramon is one of the Dark Master Digimon.
- He appears in Sonic's Adventures of Beauty and the Beast.
- MetalSeadramon will return in Weekenders Adventures of Regular Show: The Movie.
- MetalSeadramon will come back and become Team Robot's Enemies in Team Robot in Pokémon the Movie: Hoopa and the Clash of Ages, to get revenge on the DigiDestined and their Digimon.
- MetalSeadramon comes back from the dead by Apocalymon during Team Flare's crisis in Team Robot In Pokemon XY The Series in the XY&Z arc. But when Wicked Lady sacrifice herself to save Lumiose City quite possibly the Kalos Region, she unleashed the power of light to kill him along with the other Dark Masters, MetalEtemon and VenomMyotismon.
- MetalSeadramon is an old ally of Deathstrike, as both do not like it when they're minions fail them.
- MetalSeadramon convinces his fellow villains to let the most feared of all evil Vaccine Digimon, MetalBasiliskmon, join the Dark Masters.
- In the epilogue of Code Red's Adventures of My Little Pony: Equestria Girls - Friendship Games, he was killed by Lev the Leviathan in her hunt for the Evil Schemers.
- MetalSeadramon is a member of the Demon Council of Darkness.