Best movies like Sergeant Deadhead

This documentary on The UFO Phenomenon aims to show that some UFOs may be extraterrestrial and that secrecy and ridicule are regularly employed to keep the truth about UFOs hidden.

Astronauts blast off to explore the moon on Rocketship X-M or "Rocketship eXploration Moon". A spacecraft malfunction and some fuel miscalculations cause them to end up landing on Mars. On Mars, evidence of a once powerful civilization is found. The scientists determined that an atomic war destroyed most of the Martians. Those that survived reverted to a caveman like existence.

College prof Peter Boyd tries to salvage his professional and personal reputation by using a lab chimp to prove that environment trumps heredity in behavioral development.

Stan and Ollie play bumbling circus performers who inadvertently drive the circus into bankruptcy. The circus can't pay them their wages so they are given a gorilla and a flea circus as payment. Bedlam ensues.

Orbiting above a planet on the brink of war, scientists test a device to solve an energy crisis and end up face-to-face with a dark alternate reality.

Astronaut Taylor crash lands on a distant planet ruled by apes who use a primitive race of humans for experimentation and sport. Soon Taylor finds himself among the hunted, his life in the hands of a benevolent chimpanzee scientist.

After a spectacular crash-landing on an uncharted planet, brash astronaut Leo Davidson finds himself trapped in a savage world where talking apes dominate the human race. Desperate to find a way home, Leo must evade the invincible gorilla army led by Ruthless General Thade.

A troubled psychologist is sent to investigate the crew of an isolated research station orbiting a bizarre planet.

A mysterious force knocks the moon from its orbit around Earth and sends it hurtling on a collision course with life as we know it.

A planet is discovered in the same orbit as Earth's but is located on the exact opposite side of the sun, making it not visible from Earth. The European Space Exploration Council decide to send American astronaut Glenn Ross and British scientist John Kane via spaceship to explore the other planet.

Five friends set out to a cabin in the woods for a fun weekend getaway that is, until extraterrestrial visitors turn it into a fight for their lives. The group is pulled from their reverie when a flickering object crashes deep in the woods. As they investigate, the friends stumble across an alien spacecraft, and its inhabitants have not arrived in peace.

Archival material from the original NASA film footage – much of it seen for the first time – plus interviews with the surviving astronauts, including Jim Lovell, Dave Scott, John Young, Gene Cernan, Mike Collins, Buzz Aldrin, Alan Bean, Edgar Mitchell, Charlie Duke and Harrison Schmitt.

After losing contact with Earth, Astronaut Lee Miller becomes stranded in orbit alone aboard the International Space Station. As time passes and life support systems dwindle, Lee battles to maintain his sanity - and simply stay alive. His world is a claustrophobic and lonely existence, until he makes a strange discovery aboard the ship.

After spending several months in an orbiting lab, three astronauts prepare to return to Earth only to find their de-orbit thrusters won't activate. After initially thinking they might have to abandon them in orbit, NASA decides to launch a daring rescue. Their plans are complicated by a Hurricane headed towards the launch site—and a shrinking air supply in the astronauts' capsule.

With only three weeks left in his three year contract, Sam Bell is getting anxious to finally return to Earth. He is the only occupant of a Moon-based manufacturing facility along with his computer and assistant, GERTY. When he has an accident however, he wakens to find that he is not alone.

Three chimps are sent into space to explore the possibility of alien life when an unmanned space shuttle crash lands on an uncharted planet.

Comet longs to be taken seriously as a full-fledged space chimp. He journeys to the fantastical Planet Malgor and bonds with the adorable alien Kilowatt, living out his ultimate fantasy. However, it's time for Comet to prove himself when the feared alien ruler Zartog takes over Mission Control! Comet must show he has the right stuff, and join fellow chimps Ham, Luna and Titan, to save the day.

Frank Corvin, ‘Hawk’ Hawkins, Jerry O'Neill and ‘Tank’ Sullivan were hotdog members of Project Daedalus, the Air Force's test program for space travel, but their hopes were dashed in 1958 with the formation of NASA and the use of trained chimps. They blackmail their way into orbit when Russia's mysterious ‘Ikon’ communications satellite's orbit begins to degrade and threatens to crash to Earth.

A young wife wants to have children, but her husband neglects her. She confides her longings to a handsome brain surgeon. Complications ensue.

After NASA picks up a trio of mysterious signals from within our own solar system, astronaut Roger Nelson is dispatched on a multi-year solo mission aboard the Magellan spacecraft to investigate the sources.

American astronaut Frank Douglas mysteriously disappears from his spacecraft as it parachutes to Earth. He is apparently replaced by or turned into a large, radioactive, humanoid monster. A team of scientists and military men attempt to capture the monster.

A group of recently trained astronauts are sent into space to probe a new experiment, only to be stranded and face an eternity in space unless successful contact can be established from earth. In between flashes of the story, a court is in process determining the cause of the accident.

Four low-ranking astronauts are stuck together on an orbital Sanitation Station after they bring a mysterious device aboard their ship and all life on Earth disappears. Little do they know they are about to come under attack by a mutating rubber duck named Gary, who wants to open a portal to his evil dimension and take over the Universe.

Purporting to be an investigation into the UK's contemporary "brain drain", Alternative 3 uncovered a plan to make the Moon and Mars habitable in the event of climate change and a terminal environmental catastrophe on Earth.

A massive asteroid impact on the moon begins causing storms on earth due to the sudden changes in ocean tides. But when further examination is conducted it's discovered that the moon's structure is now entirely unstable -- threatening all life on earth. With time running out, a team of scientists turn to one man, demolitions expert John Redding, in effort to find a solution and secure the moon.

Astronauts Pete Burke and Allan Virdon crash on Earth in the far future and are captured by the apes. The men befriend a chimp named Galen who helps them to escape. In the hopes of finding a way to get back to their own time, the astronauts search for a computer in an earthquake-threatened city, with which they will be able to access their flight records. [The first of five telefilms edited from episodes of the 1974 TV series; this film combines the episodes "Escape from Tomorrow" and "The Trap"]

Brain is the world's greatest computer, and also the most intelligent being on planet Earth. One day, Brain decides to abandon its terrestrial moorings, and it's up to The Defenders to track it down. Unfortunately, Brain has developed an amazing army of deadly giant robots, including one with a huge "17" emblazoned on its chest-plate, with which it plans to subjugate its creators. A young boy whose family was killed by Brain's followers manages to activate Daitetsujin 17, which thereafter comes to his rescue whenever he is in danger from Brain's minions.

A long forgotten ancient spacecraft discovered on Earth. Investigations carried out by Scout transport her to the moon whereupon she meets the impressive machines preserving the wisdom of that long lost civilization.

Aliens attack Earth with deadly electrical tornadoes, and it’s up to a farmer, his smart high-school daughter and a tornado blogger to thwart the horrific invasion.

After an atomic explosion blasts the Moon out of Earth orbit, Moonbase Alpha drifts in space, with 300 people on board. When a rescue team from Earth arrives in a faster-than-light space ship, everyone is overjoyed that they can now return to Earth. But Moonbase Commander John Koenig, having undergone an experimental brain soothing process after receiving a concussion in a crash on the Lunar surface, sees not friends from Earth but gruesome monsters which have telepathically caused all others on Alpha to see an illusion of an Earth party. The aliens are desperate for radiation and plan to manipulate the Alphans into detonating nuclear waste on the Lunar surface, reducing the Moon and everyone on it to dust. Koenig must expose this conspiracy to save his people. Compiled from the two part episode The Bringers Of Wonder from the TV series Space: 1999's second series.

This is your window into the universe… Hubble was launched in April 1990 on board Space Shuttle Discovery. Its release into orbit over 500km above the Earth marked the birth of one of humanity’s biggest dreams; to place a telescope into space, high above the obscuring effects of the atmosphere, to gain the clearest view of the cosmos we could hope to see. But in the months which followed it was clear that the dream had turned into a nightmare, as Hubble’s mirror was found to have a flaw. Three years of heartache and huge human resolve followed, to mount a rescue mission to fix the flaw. The results were breath taking and produced the most complete view of the Universe we’ve ever had. This is the story of the men and women who conceived, built, fixed and operated Hubble – the most celebrated science instrument in history.

Captain William Stanaforth is on a one-way solo mission to take the first steps in colonising Mars. Like all pioneers throughout history, Stanaforth will face insurmountable odds and life and death decisions as he rockets bravely through space.

An elaborate deception emerges when an American astronaut is lost on a mission to Mars. Space agency officials fearful of losing public support and government funding decide to cover up the accident by employing an exact double for the lost astronaut. The ruse begins to unravel when the wife of the lost astronaut realizes she is living with a different man. Although angered by the deception, the woman has fallen in love with the replacement and plans to keep the secret. They both have a change of heart and decide to reveal the secret when they discover a new Mars mission is underway.

In the near future, a space station dubbed Earth II is built for the purpose of scientific research and world peace. However, that peace is shattered when the Chinese send up a nuclear bomb that is orbiting just a few miles away from the station. Can the crew disarm the bomb before it detonates, not only destroying the station but setting off World War III?

An IMAX 3D camera chronicles the effort of 7 astronauts aboard the Space Shuttle Atlantis to repair the Hubble Space Telescope.