Smiekli (1994)

The Green Sloth is disturbing the Giant Monkey, who is eating bananas in his den. Hearing a naughty laugh, it chases after the laughing monkey and ends up in a meadow where Munch and Lemmy are resting peacefully. Thinking that they are the guilty laughers, the Monkey is about to fly into a rage when, not far away, he hears another familiar laugh...