80's/90's cartoon movie?

I remember my parents renting my sister and I this very weird, almost creepy cartoon move when we were kids. I guess it was any where from 1989-1992. I can see parts of the movie in my head, but not even enough to give a decient description. The one thing about it was it was nothing like I have...

I Saw This A Long Time Ago, It Was About A Boy Who Is Talking On The Phone To His friend When He Gets A Present. When He Opens It, Its Like A Car Or Somehting And He Turns Into A Cartoon When He Gets Stuck In Some Chocolate Goo. At The End Of The Movie He Turns Back Into A Real Boy And His Friend...

I'm really trying to find out the name of this movie I only remember one scene right now. Its about some sort of animals and there are more animals and one of them is stuck in the mud they end up getting him out and then they sing this song like a gospel song about how he's free and I think it may...

its a cartoon movie from the 80's or 90's maybe. Its about a bunch of animals in a forest and a truck flips over and lets poisonous gas into the forest and all the animals try to survive.

The cover has three little animals in a flying contraption. In the movie a gas truck or something similar crashes and begins polluting all the little animal holes, and a few little animals are sent to save the others or something. I remember a part where they are trying to cross a field at...