Ultraman Great: The Battle for Earth (1990)

Ten years after his retirement from the government, Colonel Steve Austin must again team up with Jaime Sommers to stop a terrorist group. Complicating matters for Austin are his estranged son Michael, who struggles for his father's acceptance as he graduates from flight school, and Jaime, who must cope with her and Steve's past. When Michael is severely injured in a crash, Steve must make the same decision about fitting him with bionics that he had to make with Jaime years ago after her accident.

The Doctor has retired to 1892 London. Despite the protests of his allies, he is determined to keep out of mankind's affairs. However, a governess named Clara has stumbled upon a plot which only the Doctor can unravel, involving the death of her predecessor in ice and the sinister Dr. Simeon, who controls monsters made of sentient snow. And there is another mystery afoot: Clara is the spitting image of Oswin Oswald, whom the Doctor saw die in the Dalek asylum...

A Yellowstone National Park scientist and a thrill-seeking ranger join forces to plug-up a volatile super volcano that threatens to wipe out the entire United States.

A small team of scientists must race against time to stop what seems to be a cascade of global disasters signaling the possible apocalypse and end of days.

An alien similar to Ra appears out of the Stargate, killing five soldiers and kidnapping another, a year after the original Stargate mission. A new team is assembled, including some old members, and they go in search of the missing soldier in order to find out how Ra could still be alive. Meanwhile, the alien Goa'uld kidnap Sha're and Skaara, implanting them with symbiotes and making them Goa'uld hosts.

A meeting in a London bus with jewel thief Lady Christina takes a turn for the worse for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits.

Based on the book "UFO Crash at Roswell" by Kevin Randle and Donald Schmitt, Roswell follows the attempts of Major Jesse Marcel to discover the truth about strange debris found on a local rancher's field in July of 1947. Told by his superiors that what he has found is nothing more than a downed weather balloon, Marcel maintains his military duty until the weight of the truth, however out of this world it may be, forces him to piece together what really occurred.

A psychiatrist becomes the new Sorcerer Supreme of the Earth in order to battle an evil Sorceress from the past.

Teenager Cleo's school science project goes quite awry, causing her popular older sister Molly to go invisible.

Ben, Gwen, and Max must stop an extraterrestrial who plans to open a gateway that leads to an alien invasion.