The essential episodes of UFO

Watch these 15 in order and you've got UFO — each pick states its reason.

  1. 01

    S01E01 · Pilot · September 16, 1970 · 1h

    Identified4.0

    SHADO engages in its first battle with the enemy. Sky One cripples an alien ship which crash-lands in a lake. Straker's team capture its pilot, a strange blue-skinned humanoid - and the grim secrets behind the alien motives are revealed.

  2. 02

    S01E02 · Top rated · September 23, 1970 · 1h

    Exposed5.0

    An XV-104 test plane wanders into a UFO target area and the pilot, Paul Foster, makes sightings of both the UFO and Sky One. Angry and frustrated that no one believes his story, Foster suspects a cover-up and decides to conduct his own investigation into the activities of ex-USAF Colonel Ed Straker.

  3. 03

    S01E03 · Top rated · September 30, 1970 · 1h

    The Cat With Ten Lives4.0

    The body of an Alien, recovered after a UFO attack on Moonbase, reveals some startling new evidence which overturns all SHADO's previous theories about the Aliens. For Interceptor pilot Jim Regan, the news has tragic consequences as he becomes possessed by the mind of an Alien held in the body of a Siamese cat!

  4. 04

    S01E04 · Top rated · October 7, 1970 · 1h

    Conflict4.0

    When an Alien Limpet UFO causes the destruction of Lunar Module 32, Straker demands a clean-up programme by the International Astrophysical Commission to remove hazardous space debris from Earth orbit. But Straker finds himself butting heads with I.A.C. chairman James Henderson, who wants a complete shut-down of SHADO operations...

  5. 05

    S01E05 · Top rated · October 14, 1970 · 1h

    A Question of Priorities4.0

    "Important? What can be more important than your own son's life?" Straker faces the toughest decision of his career when his son is critically injured in an accident. The drug that can save his life can only be ferried from New York in time aboard a SHADO Transporter - the same Transporter that is in the prime position to track an Alien defector on the West Coast of Ireland.

  6. 06

    S01E07 · Top rated · November 4, 1970 · 1h

    Kill Straker!4.0

    When a Lunar Module is attacked by a UFO, Straker makes a split-second decision that endangers the astronauts, but ultimately saves them. Later, he is surprised to find his authority being questioned by his most loyal officer, Colonel Paul Foster, who spearheads a campaign against him. Then an attempt is made on Straker's life...

  7. 07

    S01E08 · Top rated · November 11, 1970 · 1h

    Sub-Smash5.0

    Suspecting a UFO to be responsible for the sinking of a freighter, Straker, Foster and Nina Barry investigate in Skydiver. Attacked by an undersea UFO, the submarine is downed on a ledge on the sea bed and the crew are trapped. While Straker fights against his claustrophobia, Nina faces a living nightmare...

  8. 08

    S01E09 · Top rated · December 2, 1970 · 1h

    Destruction4.0

    A Naval vessel shoots down a UFO in the Atlantic, but the Admiralty rejects further investigation into the incident. Straker suspects a cover up and wants to know why, so Foster courts Admiral Sheringham's secretary, Sarah Bosanquet. What they discover could mean the end of all life on Earth...

  9. 09

    S01E11 · Top rated · December 16, 1970 · 1h

    Close Up4.0

    Straker gets approval from above to build a probe with a camera that will track a UFO back to its home planet. Inexplicably, the Earth technology is capable of following a UFO travelling 8 or 9 times the speed of light and follows it home. The episode ends with a SHADO guy trying to convince Straker that they were wasting their time, even though they picked up some great pictures of the planet.

  10. 10

    S01E12 · Top rated · December 30, 1970 · 1h

    The Psychobombs4.0

    A UFO imbues three young people with incredible powers. One blows up a radar station, a second steals fingerprints and tries to get aboard a Skydiver sub, blowing it up. The third, a woman, tries to blow up SHADO HQ but the UFO that is feeding her power has now been destroyed.

  11. 11

    S01E13 · Top rated · January 6, 1971 · 1h

    Survival4.0

    Foster, whose radio is knocked out and his oxygen line cut, is presumed lost (but they did a crummy job, not even trying to find his body) during a confrontation with a UFO on the moon's surface. Foster is found by an alien, and together, they cross the lunar landscape, developing a friendship when the alien must try to do make-shift repairs on Foster's suit to keep him alive. At the end, a Moonmobile crew finds Foster and misunderstands his intent when he points them to the alien nearby.

  12. 12

    S01E14 · Season 1 peak · January 13, 1971 · 1h

    Mindbender6.0

    After a UFO inexplicably destroys itself less than two miles from Moonbase, a mysterious crystal rock is recovered, and it causes the person in its vicinity to hallucinate. The man on Moonbase who found it thinks Mexican bandits have taken over Moonbase. It gets transferred to Straker's office, and he hallucinates that SHADO is simply a set for a TV series, he is an actor named Mr. Burns, Moonbase can be reached by stepping through two doors from the main control room at SHADO HQ, and "Mr. Straker" is not available. Straker breaks the hallucination by jumping in on the scene while the "character" Gen. Henderson is doing a close-up of the line they were doing when the hallucination began.

  13. 13

    S01E15 · Top rated · January 20, 1971 · 1h

    Flight Path4.0

    A SHADO Technician, who is being blackmailed for information by an unknown party, is caught by Freeman, but not before the information is passed. The Technician, Paul Roper, divulges what information he gave to the blackmailers, to SHADO. After much work on the cryptic data, they discover it is part of a plan by the aliens to attack the Moonbase in a way that would be undetectable. Now it's up to Roper to redeem himself, as he is sent on the suicide mission to stop the attack. If he fails, the base will surely be destroyed.

  14. 14

    S01E16 · Top rated · February 3, 1971 · 1h

    The Man Who Came Back4.0

    Reported missing, presumed dead, after a UFO incident which has left SID disabled, astronaut Craig Collins turns up alive and well. But as an operation to complete repair work on SID is planned, Colonel Lake and Colonel Grey discover that Collins is not the man he used to be...

  15. 15

    S01E26 · Series finale · March 15, 1973 · 1h

    The Long Sleep4.0

    A woman awakens from a 10-year coma and begins telling the tale about her encounter with aliens, along with her boyfriend, while they were high on drugs. They toyed with the aliens, and the man apparently falls to his death from a bridge or building. The aliens drag him off. She has an accident and falls into the coma. She can't remember quite everything, but the old boyfriend is back, resuscitated by the aliens, and he drugs her so she tells him where the missing part of a device is. He activates what turns out to be a thermo-chemical bomb that will wipe England off the map when the four chemicals meet in a central chamber.

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