Rat King's Lair

The Rat King's Lair or Rat King's Hideout is a location in Teenage Mutant Ninja Turtles, where the Rat King hides. It is usually locatied in the sewer system of New York City.

In the 1987-1996 animated TV series, his hideout is located at an abandoned New York City subway station. In his debut episode, Enter the Rat King, he kidnapps April O'Neil to his lair.