Poor Papa (found "Oswald the Lucky Rabbit" Walt Disney animated short film; 1927)
From The Lost Media Wiki
Poor Papa is the first Oswald The Lucky Rabbit short, created in 1927 by Walt Disney. In the short, Oswald gets a visit from a stork who continues to drop babies into his chimney at a rapid pace.
There are three copies known to exist. The first copy was sold in 2001 for $100; the second copy was sold for £170; and the third copy was sold for $7,500 in 2014. The film has not resurfaced on the Internet.