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 (no translation needed).

Mitten provides examples of:

 * Disappeared Dad
 * Not-So-Imaginary Friend
 * Tear Jerker
 * No Celebrities Were Harmed: Serious looking dog with a mighty eyebrushes decorated with multiple awards is an obvious parody of Brezhnev, soviet leader of that time.