When the cartoonist takes a coffee break and leaves the office for a spell, Katnip and "Hoiman" break the 4th-dimesion wall (and several dozen real walls)with their escapades and conflicts and ideas exchanges. Katnip, per usual, gets the short end as Herman leaves him stuck in the ink bottle.

Loopy meets The Big Bad Wolf of the Little Red Riding Hood story and wants him to be a good wolf.

Herman the mouse attempts to break up the smarmy friendship between the cat and dog of the house in order to raid the icebox.

Herman, the city-slicker mouse (looking like a cross between James Cagney and Lee Tracy) visits his barn-mice cousins in the country.

World War II GIs adopt an Italian war orphan.

Loopy helps Prince Charming find his beloved Cinderella.

1963 film by Stanley Kramer