Mitten

A Soviet puppet Stop Motion short made in 1967. Lonely girl wants to have a dog, but her mom wouldn't allow a pet in the flat, so girl imagines that her mitten is a puppy and starts to playing with it.
Can be watched on YouTube [dead link] (no translation needed).
Tropes used in Mitten include:
- Disappeared Dad
- Not-So-Imaginary Friend
- Tear Jerker
- No Celebrities Were Harmed: Serious looking dog with a mighty eyebrows decorated with multiple awards is an obvious parody of Leonid Brezhnev, Soviet leader of that time.