His family watching from mission control, Col. Edward McCauley who is commanding the first rocket into outer space must make a desperate gamble when...

Senator Jim Sloane questions the need for and cost of a mission to the moon after McCauley's first effort to the moon fails and his second effort...

McCauley races against time in order to save an astronaut who is trapped when assembling the prefabricated units of a space station. The astronaut is...

When an astronaut is stricken by a heart attack on the Moon, McCauley must find a way to get him back to Earth.

When an experimental nuclear-powered missile goes out of control, its creator insists on accompanying McCauley into space to try and disarm it before...

Trailblazer I is on route to the Moon when one of the crew gets word his wife has been hurt in a car wreck. Although distracted, the crewman needs to...

Returning from the Moon with valuable spore samples the crew of MR7 are rendered unconscious. Earth sends a rescue mission but a decision has to be...

An asteroid straying close to Earth becomes the subject of an experiment. It is decided to scout the asteroid with a view of turning it into a mobile...

Shortly after leaving the Moon a spacecraft is hit by an asteroid destroying their oxygen supply. The three man crew now become engaged in a life and...

Test continue on a new alloy for re-entry. On one test the ship acts erratically and although the crew is saved the ship is lost. A second mission is...

McCauley and two astronomers are on the Moon on Christmas day, and one of them is stricken with appendicitis.

Two scientists who can't get along are assigned to the same space station, and McCauley has to keep the peace.

It is decided to attempt fuel transfers between space craft while flying in orbit. The requirement for precision control of two spacecraft is met by...

Col. McCauley is training a young cadet who wants to be an astronaut, and pushes the young man almost to his limit. When an onboard accident knocks...

Four men a stranded after their spacecraft crash lands on the Moon. Their only hope of survival is to walk to Moonbase. All goes well till they...

An eager, space-enthusiast technician (played by Robert Reed of The Brady Bunch) installs a smaller Guidance Control System he designed into the...

A mission is sent to explore a cave system on the Moon in the hope of finding ice. Having a source of water available would enable the colonization...

A maverick journalist wins an opportunity to visit the Moon base. An opportunist he will look for anyway to manufacture a story, and his gambling...

A scientist's wife warns McCauley that her husband Perry's's co-worker Hal Carter is jealous of his success. McCauley doesn't believe her, but when...

McCauley must take four scientists back to the moon to find a deposit of a valuable mineral that one of them stole, so that he can trick the thief...

Tensions mount as final crew selections go forward for a special observation flight of the sun. At the core of the conflict is the potential for one...

Col McCauley, while serving on the space station gets word his son has been seriously injured in a hit and run accident near the rocket base. Tension...

While on a routine flight one of the rockets is hit by a meteor fragment. On Earth they run tests to discover the meteor is not only made of metal,...

A Moon survey mission finds a curiously-shaped rock formation. A month later, members of the return mission encounter other mysterious events and...

A ship tasked with retrieving a malfunctioning Venus probe runs into issues when the scientist in charge, a friend of McCauley's insists on going...

A series of photographs taken by an expedition on the Moon shows some sort of artificial object moving up on a ridge. Two men are sent to...

Space station Astra is chosen for a medical experiment to measure men's reactions to stress and fatigue. The medical director is convinced he can...

Colonel McCauley returns from Asteroid 78-1. The mission was cut short by the failure of his suit oxygen supply. He is insistent that just before he...

A miss-fire of the MR28 sees the craft miss the Moon and head for deep space. The only chance of rescue is a new MX experimental rocket. In theory,...

A 3-man team visit the Lunar Observatory, isolated from all Earth signals on the Moon's far side, for routine Radio Telescope work. They pass the...

On the Moon the US and Soviets are in an informal race to be the first to Mars. Both sides play down the need to rush with concerns about safety....

Ship MR34 loses Auto-Control during landing and crashes 200 miles from Moon Base. Two of the crew survive and make for a nearby fuel-cache. Can they...

A Soviet Major is the sole survivor of a crash landing near a US advance moon station. Determined to appear blameless, he reports Americans sabotaged...

A new project involves launching capsules of atomic waste into orbit and then assembling them with an atomic rocket motor. The unit is then...

McCauley visits England and advises the British space program. He objects to the design of a second stage rocket. The British launch the spacecraft...

The crew of MR37 encounter a strange object that they first believe is a meteor till it starts changing direction to match their ship. Whatever the...

The first mission to Mars is nearing the red planet when a series of accidents and break downs put the mission in doubt. The crew must balance the...