"Planet Earth" (1974). Stars John Saxon, Janet Margolin, Ted Cassidy, Diana Muldaur, Majel Barrett.
jail bait is a movie title that starts with the letter "J".
Nails is the title of a 2017 horror movie.
Ride the Wild Surf is the title of a 1964 beach movie.
My Bloody Valentine
sacrasm
"Planet 51" (2009). Animated.
Dr. No
Horton Hears A Who. :)
The movie "The Big Bus" is American comedy movie.
Earth
Mississippi Burning..?
Mars Attacks! (1996)
Father Ted. About a priest.
The Krell. do not confuse with the bad-guy communistic Kree in (Captain Marvel) who have sent the title character to eventually ( always gets out of it) Blow Up Earth!
The Movie: Twenty Thousand Leagues Under the Sea
Return to The Lost Planet. Rollerball. Ryan's Daughter. Probably many others.
A proper noun is the name of a specific person, place, thing, or a title. A proper noun for 'planet' is the name of a planet, Mars, Neptune, Earth, or:Dr. Jean-Francois Planet (surgeon), Ottawa, ON CanadaPlanet Street, Boston, MA USA or Planet Street, Carlisle WA, AustraliaPlanet Hollywood, Las Vegas, Cancun, London, New York, Kuwait, etc.'Isaac Asimov's Guide to Earth and Space' by Isaac Asimov'Planet of the Apes', 1968 science fiction movie (and series)