Walt Disney visited New York in an attempt to secure a deal for his company, but failed. On a train ride back with his wife Lillian Disney he created the concept of a mouse named Mortimer, which would become Mickey Mouse. Upon arriving in Los Angeles, Walt Disney gave the draft to Ub Iwerks who then completed the design for Mickey Mouse.

Title from container. Based on the book Walt before Mickey by Timothy Susanin. DVD release of the 2015 motion picture.