A human-looking
extraterrestrial in a one-man spaceship nearly collides at high altitude with the
U.S. Air Force's rocket plane, the
North American X-15. The spaceship's pilot is a 450-year-old
anthropologist from Mars. Tim O'Hara, a young newspaper
reporter for
The Los Angeles Sun, is on his way home from
Edwards Air Force Base, where he had gone to report on the flight of the X-15. Returning home to Los Angeles, O'Hara spots the same silver spaceship crash land nearby. Tim takes in the
Martian, saying to other people that he is Tim's Uncle Martin. The Martian refuses to reveal any of his special traits to humans, other than Tim, to avoid both publicity and human panic. Tim agrees to keep the Martian's Earth identity a secret while he attempts to repair his spaceship. Uncle Martin has various unusual powers: He can raise two retractable antennae from the back of his head and become invisible; he is
telepathic and can read and influence minds; he can levitate objects with the motion of his index finger; he can communicate with animals; he can freeze people or objects; and he can speed himself (and other people) up to do any kind of work. Also an inventor, Uncle Martin builds several advanced devices, such as a
time machine that transports Tim and the Martian to
England in the Middle Ages and other times and places, such as
St. Louis in 1849 and the early days of Hollywood, and brings
Leonardo da Vinci and
Jesse James into the present. Another device he builds is a "molecular separator" that can take apart the
molecules of a physical object, or rearrange them (making a
squirrel into a human). Another device can take memories and store them in
pill form to "relearn" them later. Other devices create temporary duplicates, or levitate Martin and others without the need of his index finger. Tim and Uncle Martin live in a
garage apartment owned by a congenial but scatterbrained landlady, Mrs. Lorelei Brown (a former
WAVE as revealed in the first episode of season one) who often shows up when not wanted. The Martian and she have an awkward romance from time to time, but Uncle Martin never gets serious for fear of his ultimately going home to Mars. She later dates a vain, cold-hearted,
plain-clothes police officer, Detective Bill Brennan, who dislikes Uncle Martin and is highly suspicious of him and his activities. "Martin O'Hara's" real name is actually Exigius 12. Revealed in the episode "We Love You, Miss Pringle", it was heard again when his real nephew, Andromeda (played by young actor Wayne Stam), crash-landed on Earth late in the show's third season. Andromeda, originally devised to bring younger viewers to the show, disappeared without explanation after this single episode, and was not referred to again in the live-action series' eight remaining episodes. Andromeda was, however, a regular on the later
My Favorite Martians animated series. Andromeda had a single antenna, which Martin explained was because his baby antennae had fallen out and only one adult antenna had come in so far. Uncle Martin also reveals that on Mars he lives on Fulton Canal, which ultimately leads to comedic mix-ups and confusion with
Canal Fulton, Ohio. ==Cast==