Do a TV Guide type summary of the scenario/plot of a possible motion picture … but not the famous one of the same title.
For example:
Ben Hur “Life presents new challenges to the recipient of a female-to-male transsexual.”
Citizen Kane “Behind the scenes documentary of the out-of-the-ring life of a professional wrestler.”
Star Wars “Fictionalized story of intrigue about SDI in the Reagan White House.”
Star Wars : “Urban warfare in Hollywood ! Will your favorite actor survive ?”
Spider Man : “He feeds upon the innocent !”
Star Trek : The Wrath of Khan : “Who will survive ? Captain James T. Kirk, or the time travelling Genghis Khan ?”
Terminator : “Ruthless corporate executive fires people relentlessly.”
Them!: “An historical look at the legends surrounding the Illuminati.”
Spaceballs: “An adult film set on a space station.”
Super Troopers: “Fast-paced sci-fi action-adventure about genetically enhanced soldiers in a postapocalyptic world.”
Memento: “A young woman discovers new meaning in life after finding a keepsake of her recently dead father.”
Reservoir Dogs: “The heartwarming story of the trouble-making but lovable pack of canines who make their home near the town’s water supply.”
psst, mods - cafe society?
Batman - the touching story of a gentle naturalist photographer who studies flying mammals.
Meet The Fockers - A family of airplane engineers design a new aircraft.
Gone in 60 Seconds - The story of Joseph Blatzford, the first Revolutionary Minuteman to die in service.
The Naked Gun - Robert “Triggerman” Jones field strips and reassembles 214 different guns.
Splash - The controversial movie of 1 year old babies taking baths.
The Empire Strikes Back - Julius Ceasar crushes his enemies.
Stripes - A documentary about zebras.
Full Metal Jacket - A look at the development of armor.
Evil Dead : “All about historical war criminals.”
The Ring : “Can Sophie wheedle a marriage proposal from Bill ?”
The Yellow Submarine : “A WW II submarine crew is accused of cowardice.”
Return of the King : “Failed democratic revolutions in history.”
The Big Chill - No, it’s not global warming. It’s a new Ice Age!
Working Girl - She spends 40 hours a week doing data entry and answering phones.
The African Queen - Cleopatra’s life and times.
Men In Black - dull comedy about a funeral home
Die Another Day - sequel to the above
Men In Black II - the eleventh movie in the same series
Se7en - dire comedy about a math teacher with a faulty computer keyboard
Bruce Almighty - patriotic biopic of Robert the Bruce
Jaws - lightweight comedy set in a dentist’s practice
The Fifth Element - Generally tedious documentary about boron and its many uses
Day After Tomorrow - An awkward commedy about the few days before a Rob Hortson’s wedding
The Magnificent Seven - A documnetary about seven ordinary men who have dedicated their lives to helping the poor
Armageddon - An in-depth look at the book of Revelations
Ground Hog Day - A look at the origins of the holiday.
Nice topic - may have to contribute later on. If I recall correctly, I had a similar one, way back when, but also with TV shows…
Ah, here 'tis.
…or a look at a sausage factory.
Lost in Translation: Hard-hitting documentary about tragic deaths caused by poorly written product instruction booklets.
Shine: A bag of rags, a can of Brasso…and a dream.
The Truman Show: 1947 TV pioneers put up with baroque bureaucracy and Cro-Magnon technology while covering the President’s opening address to Congress.
You Can Count On Me: The fascinating history of the abacus.
Zoolander: NASA’s mission to send wild animals to the moon.
Oop, forgot one…
The Thing: A man is walking down the beach one bright and sunny day. He finds a great big wooden box a floatin’ in the bay…
The Shining : A history of jewelry.
**Godzilla ** : All about reptile worship in the Far East.
Dirty Harry : Drama about a boy thrown out of his home because he refuses a bath.
Basic Instict : Tutorial on the fundamentals of human psychology.
Texas Chainsaw Massacre : Due to a badly written law, all chainsaws in Texas are rounded up and destroyed. Hilarity ensues !
Little Shop of Horrors : Romantic comedy involving the relationship between a woman and the owner of a store specializing in horror novels, movies and memorabilia.
The Fellowship of the Ring: Drama about one man’s struggle to climb the ranks of a professional boxing society.
The Passion Of The Christ: An adult film based in first-century Nazareth about carpenter and his various sexual exploits.
Twelve Monkeys: Hilarity is injected into an otherwise dull court case when it is discovered that every juror is actually a monkey!
Finding Nemo: A documentary about the development of Network Mobility technologies.
Apollo 13: The sequel to Apollo 12–even more Greek sun-god hilarity!
or
Apollo 13: Heroic Apollo gathers band of 12 criminals for one last heist.
Schindler’s List: Adventures of a German accountant at a grocery store.
Casablanca: Charting the progess of America’s first Hispanic President!
Mr. Frail helped me come up with these. 
This did well and truly crack me up! 
Careful, you may be showing your age…
Star Trek: Reality TV show where celebrities race around the world.
Blade Runner: Documentary about razor smuggling.