S4·E32 The Green Planet Ratoniik!
Aired December 25, 2013
Synopsis
Potomuri finally believed Tenma's story that Katra still lived, but still couldn't understand why Katra didn't appear before him. The two members of Shitennou, Ryugel Baran and Gandales Baran, thought that they arrived to a planet called Ratoniik but ended up getting lost on an unknown planet.