Nodoka Mori no Doubutsu Daisakusen
English title: Back to the Forest
Japanese title: のどか森の動物大作戦
Alternative titles: Peter of Placid Forest
Type: TV Special
Source: Unknown
Episodes: 1
Status: Finished Airing
Aired: Feb 3, 1980
Duration: 1 hr 8 min
Rating: G - All Ages
Studios: Nippon Animation
Genres: Fantasy

With Peter the fairy as chairman, the animals of Placid Forest gather in a meeting to discuss the villagers' plan to cut down all the trees in the forest. They decide to stage a protest in the hope of preserving the woods, but the greedy men will not listen to their warning. The animals are forced to carry out one final operation. 

(Source: AnimeNFO)