Leonardo fighting a Triceraton in Night of the Dark Turtle.
Season 7 of the 1987 Teenage Mutant Ninja Turtles TV series originally aired over CBS on Saturday mornings in late 1993. The Vacation in Europe sideseason, which takes place during season 4, is production-wise part of Season 7.
The main-season is characterized by the Technodrome being located on the bottom of the Arctic Ocean. It later moves closer towards New York City in Attack of the Neutrinos. Finally, in Shredder Triumphant, Shredder and Krang manage to return the Technodrome to New York City but at the end the Turtles manage to send the Technodrome to Dimension X while Shredder, Krang, Bebop and Rocksteady remain on Earth.
Season 7 also sees the introduction of the Triceratons in the 1987 TV series. Their only appearance in the series occurs in Night of the Dark Turtle.