Jungle Taitei (1989) - episode 8 - 22 Nov, 1989

A hot air balloon appears in the jungle, causing Kimba (Leo) and his friends to be suspicious. Kimba encounters Marody and his two grandsons Keruru & Amaji, who are Barbary lions, thought to be extinct. They manage to drive Kimba away from Marody's cliff. The people in the hot air balloon however are after the Barbary lions. (Source: Jungle Emperor Leo Wiki)