23rd Oct: It's time for the second TV Tropes Halloween Avatar Contest, theme: cute monsters! Details and voting here.
One of the Tex Avery MGM Cartoons from 1955, co-directed by Michael Lah. Set mostly in the "Sing-Song prison", it features a jailbird who, after years of arduous digging, manages to escape from his cell and sneaks aboard a train, hiding inside an old TV. The plan goes terribly wrong, though...It is Avery's last cartoon for MGM, which he co-directed with unit animator Michael Lah. If such things interest you, a model sheet for the cartoon can be found here.
The short features examples of: