The Bartman Cave is a limited-time premium building that was released on March 4, 2015 along with the update during the Superheroes Event 2015 and again on March 27. It was re-released on July 8, 2016, during Issue 2 of the Superheroes 2016 Event, offered bundled with Radioactive Man, the Kane Manor and Bartman for 230 Donuts or alone for 55 Donuts for those players that already had at least one of the other 3 items.