A woman must convince her younger self to stop smoking. Co-starring Al Waxman as Judge Othniel.

The Doctor (Matt Smith) gets a Stetson (and a gun), and finds himself the reluctant Sheriff of a Western town under siege by a relentless cyborg who goes by the name of The Gunslinger.

Traveled in the film When Knights Were Bold (1936)

Adam (Gerald Harper) enters the world of glamour whilst trying to stop another attempt to end the world.A murder leads Adam to three sinister old ladies. Can he discover their secret before all hell breaks loose?

Directed the TV series Star Trek episode City On The Edge of Forever (1967)

Directed, co-written, and starring Gianluca Fratellini.

Abe Lincoln (Maurice LaMarche) provides a monologue, and gives a Histeria! version of the Gettysburg Address.

A little pink genie from a computer helps two kids learn about important people and events from history by taking them to those times. Directed by Kazuyoshi Yokota.

While vacationing in England Samantha (Elizabeth Montgomery) frees a trapped nobleman from a painting. The witch who trapped him punishes Sam by sending her back to the time of Henry the VIII. Featuring Erin Murphy as Tabitha.

Traveled in the TV series Randy Cunningham, 9th Grade Ninja (2013, 2014)

Traveled in the films Back To The Future (1985) and Back To The Future Part III (1990)

The Doctor (Peter Capaldi) contemplates a journey to see and old acquaintance and digs a well.

A young American man (Leslie Howard) is transported back to London in the time of the American Revolution and meets his ancestors.

It is 60 days after the death of his girlfriend Sara. Chris (Steve Kasan)'s jumps into the past have now taken him to the day of Sara's death.

Traveled in the TV series The Jetsons episode "Future Tense" (1985), the film The Jetsons Christmas Carol (1985), and the TV movie The Jetsons Meet The Flintstones (1987)

Mr. Peabody (Bill Scott) meets Sherman, and they take the WABAC machine to visit Benjamin Franklin, and others.

Co-wrote (with Chris Matheson) the films Bill & Ted's Excellent Adventure (1989) and Bill & Ted's Bogus Journey (1991)

Sarah, Derek and Cameron (Summer Glau) try to prevent a nuclear meltdown.

The Doctor (Tom Baker) reaches Davros first, but can he hang on to him? Meanwhile, the Movellans test a bomb to incinerate the planet.

Three families are transported back to 1944 and the war years to experience life in the mines without modern conveniences.

The continuing story of a young boy, Bernard (David Peachey) who is given a special gift by "The Postman" a member of the "Time Keeping Society".

A retired man investigates scores of cases of the past impinging itself on the present and speculates about the cause and the eventual effect. Written by Jack Finney.

Authored the Klein Paradox related to electron scattering, in 1929.

Traveled in the films Captain America: The First Avenger (2011), and Men In Black 3 (2012)

After finding himself erased from recent history, Spock (Leonard Nimoy) must travel back in time to save himself as a youth.

Jen and Wes go undercover at the club to see if there's anything going on. Alex (Jason Faunt) contacts Wes, and gives him the Strata Cycle.

Bill and Ted (Keanu Reeves) accidentally break Missy's... I mean, Mrs. Preston's Antique Chinese vase and must go on a most superdacious adventure back to Antique China to get her a new one before she returns home.

Ellen DeGeneres joins Bill Nye "The Science Guy" on a trip through time to learn about energy.

Dee and Oliver travel back in time and hope to right a wrong. Starring Dave Thomas.

Traveled in the film "The Time Travelers" (1964), and the TV series The Time Tunnel episodes "The Ghost of Nero" and "Visitors Beyond The Stars" (1967), and the TV series Planet of the Apes episodes "The Horse Race" and "The Gladiators" (1974)

Authored the Lucas Paradox, related to economics and capital from from developed countries.

Scientists discover a formula giving access to the fourth dimension - the unification of time and space - and, with others, are transported to the abstractly arid Planet X. Starring William Lucas.

When President Bishop is attacked by mysterious underground monsters, he enlists the help of the Turtles.

The love of his life murdered in front of him, Chris (Steve Kasan) battles cops, corporations, mercenaries and time itself to save her.

Traveled in the TV series King Arthur and the Knights of Justice (1992)

German children's television program show in which four children are appointed as "Wachter" (guardians) by their deceased aunt Hedda to prevent Zanrelot, the "Herrscher der Finsternis" - the lord of darkness (Udo Kier) from leaving the underworld and gaining control over Lubeck.

Nik uses the Time Capsule to travel back to 1990 and finds Alana (Katharine Cullen) and Silverthorn. Draco plans to turn Jenny and Petey into Moddies.

The further time travelling adventures of those two most excellent dudes, Bill (Alex Winter) and Ted.

The Ghostbusters travel back in time to the 1600s to rescue Futura from Prime Evil (Alan Oppenheimer) at the Salem witch trials.

Author of the concept of Morton's Fork, which suggests that contradictory arguments lead to the same unpleasant conclusion.