Battle in the Wetlands! Numelgon VS Florges! : Season 18 Episode 23

Our heroes are on their way to Laverre City when a passerby recognizes Ash's Goodra. He introduces himself as Keanan and explains that he's the caretaker of the nearby wetlands where Goodra used to live when it was a Goomy. Ash and the others are excited to visit Goodra's old home, but the Pokemon seems reluctant... When they reach the wetlands, Keanan explains that some time ago, a feud broke out over a healing spring in the area. In the battle, Goomy was launched into the air, where it was carried along by a flock of Swanna until it eventually fell on Ash's head! ...