Kaibucu no iru jama (E85)

Bonobono, Chipmunk and Raccoon have gone into the mountains because they heard there was something interesting to see. They become completely lost and can't find their way home... As they are feeling anxious, they hear a terrifying roar! Is there a monster on this mountain? Terrified, Bonobono and his friends search for whatever made that roar... (Crunchyroll)