The Grassy Plains are a Location in the OverWorld just near Lake Ken-I-Po. It is a Location in the episode "Codemaster Chronicles (part 2)," where Tom battles as Maxxor against CodeMaster Crellan's Ariak, and wins. It is also present in the episode "Eye of the Maelstrom," where Tom tries to scan Najarin, the OverWorld Muge, and ends up helping a group of Mipedians bring a Mugic through the Maelstrom Lands.