My Favorite Martian - Season 1 - Eps 24: Super-Duper Snooper
Mrs. Brown is taking a course on how to be a private detective, and her first assignment is to prepare a dossier on an unsuspecting person. Her choice of subject is Martin. Of course, Martin knows what she's up to, but he is still a bit concerned about her discovering his Martian identity. Mrs. Brown finds Martin's flight log, which is written in Martian, but again Martin is concerned since the uneducated are too dense to know any better. She takes a photograph of it, which Martin is worried she will pass onto authorities, who, when they are unable to decipher it, will suspect him of being a foreign spy. She apparently has mailed the film to her teacher, J. Nathaniel Pierce, who is more shyster than teacher. Martin needs to apprehend the film before Pierce gets a hold of it. At Pierce's office, Martin searches to no avail, and must endure a sales job by Pierce before he finds out that the mailman can't and won't deliver Mrs. Brown's film since she failed to put postage on the package. From there, it's a an easy task of levitation for Martin to get the film and ultimately protect his identity. For Mrs. Brown's own safety, Martin tries to talk her out of taking the course since she will be facing brutish criminals. She heeds his advice: instead of quitting the course however, she decides to protect herself by also taking judo lessons.
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