Colosseum

The Colosseum (Italian: Colosseo) is an oval amphitheatre in Rome, Italy.. In the Ancient Roman Empire, it was used for gladiator games.

In the episode Artless, the Lookroons try to transport the entire Colosseum into their spacecraft. However, it requires so much energy that the stasis field the Lookroon have placed around the Ninja Turtles dissapears, giving the Ninja Turtles space to escape and distract the Lookroons.