William Welch
Writing
Known For

The space family Robinson is sent on a five-year mission to find a new planet to colonise. The voyage is sabotaged time and again by an inept stowaway, Dr. Zachary Smith. The family's spaceship, Jupiter II, also carries a friendly robot who endures an endless stream of abuse from Dr. Smith, but is a trusted companion of young Will Robinson
Lost in Space

Set fifteen years in the then-future year 1983, the series tells the tale of the crew and passengers of a sub-orbital transport ship named Spindrift. In the pilot episode, the Spindrift is en route from Los Angeles to London, on an ultra-fast sub-orbital flight. Just beyond Earth's boundary with space, the Spindrift encounters a magnetic space storm, and is dragged through a space warp to a mysterious planet where everything is twelve times larger than on Earth, whose inhabitants the Earthlings nickname "the Giants". The Spindrift crash-lands, and the damage renders it inoperable.
Land of the Giants

Join the crew of the Seaview aboard their super high-tech submarine, where no mission is too dangerous and no threat is too deadly, be it enemy agents, mad scientists, deadly sea creatures, or impending nuclear disaster.
Voyage to the Bottom of the Sea

The Time Tunnel is a 1966–1967 U.S. color science fiction TV series, written around a theme of time travel adventure. The show was creator-producer Irwin Allen's third science fiction television series, released by 20th Century Fox and broadcast on ABC. The show ran for one season of 30 episodes. Reruns are viewable on cable and by internet streaming. A pilot for a new series was produced in 2002, although it was not picked up.
The Time Tunnel

A family shipwrecked on a deserted island tries to survive the best way they can. All is going well until a gang of pirates arrives on the island looking for a hidden treasure.
The Swiss Family Robinson

After a drunken spree on a cruise ship, two women discover that they're pregnant, and set out to find who the fathers are.
Promises! Promises!

A family is trapped in a desert town by a cult of senior-citizens who recruit the town's children to worship Satan.
The Brotherhood of Satan

Vietnam war hero, accused of murdering his brother, recruits his socialite girlfriend to hunt for the real killer.