Weyl's Paradox is another name for the self-referential Grelling-Nelson Paradox (1908), which asks "Is the word "heterological", meaning "not applicable to itself", a heterological word?"

Sophie (Katie Sheridan) wishes she could see into the future and when she does she finds that she is always misunderstanding what she sees.

The Doctor and Jamie (Frazer Hines) are taken prisoner by their mysterious observers and have a reunion with an old friend.

Tana sees an airplane and the Butlers think there is a chance of a rescue. So Katie and Greg spell S.O.S. on the ground, with shells.

The Lady of the Lake contacts the sisters and pleads for help. They suddenly find themselves the guardians of the Sword in the Stone. Starring Rose McGowan as Paige.

As a black medical student during the 1965 Watts riots, Sam must save his white fiancŽe. Featuring CCH Pounder as Mama Harper.

Traveled in the TV series Studio One In Hollywood episode "The Incredible World of Horace Ford" (1955), and the TV series The Honeymooners episode "Better Living Through TV" (1955)

A lazy American man (Thomas Jefferson) wanders off one day and wakes up under a tree and when awakens is astonished to find that 20 years have passed.

Angie and Kari convince a low level employee, Arthur to smuggle their tech into Samantha's lab to steal the secrets of the Curatio implant. Starring Steve Kasan.

Traveled in the film short "Felix Trifles With Time" (1925)

Part 1 - An increasingly duplicitous Traynor (Denis Quilley) convinces Simon to return through the time barrier against the wishes of Liz's parents.

A woman plans to abandon her baby and take her own life. Gary (Kyle Chandler)'s attempts to reunite her with her parents fail while he runs out of time to help her.

Mrs. Muir (Hope Lange)'s Uncle Arnold who sells magic tricks comes for a visit. Candy asks for him to stay and perform at her birthday party until they find his tricks don't work and his stories grow old and stale fast.

Time freezes in the human world when Sabrina (Ashley Tisdale) accidentally loses the Hourglass of Horus that regulates time between both the human and witch worlds.

Youth are transported back to Biblical times, to experience stories firtshand: King Saul is in hot pursuit of David, who is hiding in a cave.

Traveled in the TV series Grojband episode "Ahead Of Our Tone" (2013)

Gargamel steals Father Time's hourglass to destroy the Smurfs in the past. Created by Peyo

With the help of Sgt. Rock, the Batman (Kevin Conroy) and the League race to stop Savage's plans to invade the U.S. with warplanes and forever alter the course of world history.

Mired in World War II, Batman (Kevin Conroy) and the League discover that Vandal Savage has usurped Hitler and is getting technology from his future self, setting the stage for his eventual rule.

Marty (David Kaufmann) goes back to the 1897 National League Pennant Race to help his ancestor, Pee Wee McFly Ð the pitcher for the Boston Beaneaters, win the Series.

A woman unhappy with her life, makes a wish for a different life which whisks her to a parallel world where her life is different and she falls back in love with her boy friend (George Newbern).

The Doctor (Sylvester McCoy) and Earl manage to escape from the Kandy Man and join up with the planet's natives, the Pipe People, enlisting their help to rescue Ace.

The Bannermen are coming to Earth thanks to a signal from an opportunistic bounty hunter recognizing Delta. Starring Sylvester McCoy as the Doctor.

Traveled as Cmdr. Buzz Corry in multiple episodes of the TV series Space Patrol (1950-1955).

Author of the Raven Paradox, aka Hempel's Paradox (1945), which explores the question of what constitutes evidence for a statement and suggests that all ravens are black.

Batman (Kevin Conroy) and the Justice League go back in time to World War II to prevent the immortal Vandal Savage from using future technology to change history.

Elaine's brother Ray contracts the virus, despite the fact that he's living and not Returned. Brian Addison shows more than a passing interest in Margaret. Featuring Omar Epps as Bellamy.

A live musical staged presentation of Dickens' classic tale. All of the ghosts appear on stage as holograms, including Dolly Parton as the " Ghost of Christmas Past".

Jack Deth (Tim Thomerson) must attempt to find his way home from the other-dimensional world of Orpheus, where magic works and the Trancers were the ruling class

Sport Billy (Lane Scheimer), with the help of his friends Lilly and Willy, and a spaceship that is also a time machine, travels wherever and whenever he is needed to stop the evil witch Vanda.

In 2016, Raimy meets a strange character (Curtis Armstrong) who talks to his future self.

Rudy (Jason Earles) reminds the gang that, while they can move on from the dojo itself, they will always be bound by the Wasabi Code.

Nigel first goes fishing in the Ordovician. Even though fish hadn't evolve yet there's plenty of creatures to catch if they don't catch him first. In the Triassic he finds plenty of fish but they're too big to catch so Nigel just annoys them

Traveled in the TV series The Twilight Zone episode "A Message From Charity" (1985), the film Masters of the Universe (1987), the TV series Quantum Leap episode "Good Night, Dear Heart" (1990), the TV series Early Edition episode "Home Groan" (1998), numerous episodes of the TV series Star Trek Voyager (1995-2001), directed two episodes of the TV series Star Trek Enterprise "Cold Front" (2001) and "Twilight" (2003)

This program challenges our traditional questions about time such as; does it flow in one direction or does it flow at all? Co-written by Brian Greene.

Plucky builds a time machine to avoid failing a class. Featuring Charlie Adler as Buster Bunny.

The Simpsons meet Bender (John DiMaggio) and the Planet Express crew, who have come to Springfield in the present to stop them from destroying the future.

Cha-Ka is invited to dine with the Marshalls. Meanwhile, Holly (Kathy Coleman)'s perfume drives the locals wild!

Ichabod enlists Henry Parrish (John Noble) to help him communicate with Katrina, but in the process, a menacing danger is unleashed from purgatory.

Author of the novels Erchomenon; or, The Republic of Materialism (1879) and The Decline and Fall of the British Empire, or The Witch's Cavern (1890)

A series of the earthquakes responsible for the Porters' time warp can be tracked through the frequencies on Kevin's video camera. Starring Timothy Bottoms as Tom Parker.

Elroy Jetson (Daws Butler) invents a time machine that takes him back to prehistoric times, where he meets the Flintstone family.