Throughout "Jingle Bells", the scarves of Pooh and his friends use to save Rabbit seem to repeatedly disappear and reappear.
When Tigger exits Pooh's house on Christmas Day, he is not wearing his scarf, but in the next shot, he is wearing it.
When everyone is giving a toast for the new year, Roo is not wearing his party hat.
Eeyore's tail bow is pale blue in the beginning of the Auld Lang Syne musical number.