Explorer Otto
Kimba and a few other animals meet an otter named Flappo. Flappo is an otter who loves to explore the world. Curious, Kimba and the few animals join him on an adventure. However, before the journey's over, Kimba may the one who wants to quit.
Aired 14/09/1966EP 50 - Explorer Otto

1965
Kimba the White Lion
The series follows the adventures Leo, a young lion cub. Leo becomes king of the jungle when his father, the previous king of the jungle is killed by a human hunter.
(Source: Anime News Network)