Lynn Loring

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. After a disastrous crash-landing Ross awakes to learn that Kane lies near death and that they apparently have returned to Earth, as evidenced by the presence of the Council director and his staff. (imdb)

A traveling preacher & his wife are terrorized by a devil cult. (imdb)

An architect and his wife are flying from London to L.A. with an altar from an ancient abbey secured in the plane's cargo hold. Also aboard the flight are Buddy Ebsen as a pushy millionaire, William Shatner as a drunken, cynical ex-priest, Tammy Grimes as a nutcase, and Chuck Connors as the lantern-jawed pilot. Crew and passengers come into jeopardy when an invisible demon escapes from the altar, and threatens the plane in an effort to destroy the architect's wife. (imdb)

Eddie Walker of New York City and Tommy Finch of London, England had been World War II buddies and they decide to swap teenage daughters Patty and Heather for a year.