My Favorite Martian - Season 2 - Eps 33: The Martian's Fair Hobo
Uncle Martin mistakes a hobo, Shorty Smith for a Martian Scout and brings him home. Shorty quickly becomes accustomed to the comforts of life and when Martin learns the truth, Martin and Tim have a hard time getting rid of him.
About My Favorite Martian

Title: My Favorite Martian
First Air Date: 1963-09-29
Last Air Date: 1966-05-01
Status: Ended
Rating: 5.9/10 (from 28 votes)
Language: EN
Seasons: 3
Total Episodes: 107
Network: CBS
Genres: Sci-Fi & Fantasy, Comedy, Family
Production Companies: Unknown
Synopsis
Newspaper reporter Tim O'Hara finds a crashed alien spaceship that contains one live alien. Not wanting to be discovered by the authorities, the Martian assumes the identity of Tim's Uncle Martin and begins to repair his spaceship so that he can return to Mars.
Cast

Bill Bixby
Tim O'Hara

Ray Walston
Uncle Martin

Alan Hewitt
Det. Bill Brennan

Pamela Britton
Mrs. Lorelei Brown