In celebration of the 25th anniversary of the series, see four never-before-released episodes and two long-out-of-print episodes that marked the seismic transition that occurred when Joel passed the torch on to Mike.

Set in the year 2033, this one-of-a-kind blend of scripted drama and fascinating documentary sequences centers on twin female astronauts who courageously embark on an epic adventure: humanity's awe-inspiring quest to colonize Mars. The world's most brilliant minds in space exploration, including visionary thinkers Elon Musk, Neil deGrasse Tyson, NASA astronauts and more, share what the not-so-distant future may hold for all of us.

After a bad storm blows across Mars Astronaut Mark Watney is presumed dead and left behind. Now stuck on a hostile planet he must find a way to signal to Earth and in the meantime, survive on limited supplies.

With the future of the human race at stake, a group of young men and women, bred for intelligence and obedience, embark on an expedition to colonize a distant planet. But when they uncover disturbing secrets about the mission, they defy their training and begin to explore their most primitive natures. As life on the ship descends into chaos, they are consumed by fear, lust, and the insatiable hunger for power.

A crew of astronauts on an exploratory mission to Mars discovers a deadly infection and succumbs one by one to a mysterious and terrifying force while desperately fighting to escape.

The first manned mission from Earth to Mars in 2033 attempts to colonize the red planet.

Get ready to blast off in this fun family adventure where space dog Pushok stows away on a U.S. rocket to find his missing astronaut father who is stuck on the moon. However, Pushok is not alone. He reunites with his mom and together they learn the true meaning of teamwork.

Two astronauts awaken in a hyper-sleep chamber aboard a seemingly abandoned spacecraft. The only sound is a low rumble and creak from the belly of the ship. They can't remember who they are or what their mission is. With Lt. Payton staying behind to guide him via radio transmitter, Cpl. Bower ventures deep into the ship and begins to uncover a terrifying reality. Slowly the spacecraft's shocking, deadly secrets are revealed. The astronauts soon find...

Who wants to be an astronaut? Or a vet? Or go on a jungle adventure? Then join up with El Perro y El Gato, two best friends who go from an under the sea encounter with an octopus to a not-quite-ordinary trip to the supermarket. Wherever they go, it's always fun, and always in English and in Spanish. This dog and cat are going places!

An international crew of six astronauts, undertakes a privately funded mission to search for life on Jupiter's fourth largest moon, Europa. As the journey proceeds, unexpected catastrophic developments test the crew far beyond anything they expected.