The Ninja Turtles on Garbageman's landfill island.
Garbageman's landfill island appears in the 2003 TV series episode Garbageman. It is located in the New York Harbor.
Garbageman kidnaps homeless persons in New York City, and take them by garbage truck to the landfill. There, he forces them to work.
After befriending a group of homeless persons, who are later kidnapped by Garbageman, the Ninja Turtles get to the island, defeating Garbageman and saving the homeless.