Steve Allen visits Greek philosopher Aristotle, Italian political theorist Machiavelli, poet Elizabeth Barrett Browning, Chinese revolutionary Sun Yat-sen.

Matthew shows Alec the state of the art lab he's set up for him and Alec finally agrees to partner with him. Jason gives Alec a series of diagrams about time travel. Featuting Omari Newton as Lucas.

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.

Hamlet always manages to find something to distract himself, from practicing stage acting in the 1800s to producing a television drama in the 1950s, to dancing at the discotheque in the 1970s, to culinary prankery in the distant future.

George Tiffany (Henry Jones) is not just a taxidermist -- he's an artist. He's stuffing Napoleon, a horse that was the city park's chief attraction for many years, with a time capsule to be opened one-hundred years hence -- in 2057.

The sole survivor (James Franciscus) of an interplanetary rescue mission searches for the only survivor of the previous expedition.

Agammemnon brings his band of brothers back from ancient Greece. Peabody (Chris Parnell) and Sherman help history's first canine police force catch a gaseous criminal.

Co-creator of the TV series (and numerous time travel episodes in) South Park (1997-)

A crack team of top scientists work feverishly in a secret, state-of-the-art laboratory to discover what has killed the citizens of a small town and learn how this deadly contagion can be stopped.

Lestrade's college girlfriend Alice is being stalked by what seems to be a gorilla while Edith is convinced that Alice is after her inheritance. Starring Jason Gray-Stanford as Sherlock Holmes.

An airship lands on the plateau and opens an escape route to Challenger (Peter McCauley) and the explorers.

A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way south. Starring Craig Stevens as Col. Joe Parkman.

Archer takes Degra's ship to try to prevent Earth from being destroyed and gets some unexpected help. Featuring Jeffrey Combs as Commander Shran.

Traveled in the film Carnivale (2000), Planet of the Apes (2001), Dark Shadows (2012)

In 1913, Martha (Freema Agyeman) watches in jealousy from afar as The Doctor learns what it is to be human and to fall in love with the local school nurse, Joan Redfern.

Private Dexter Keith, a soldier fighting aliens on an asteroid, is caught in the blast of a time bomb that sends his mind back through his own lifetime. Written by Nick Cole.

A surgeon (Song Seung-heon) treats a mysterious patient who has a human-shaped tumor in his head, only to discover himself time-travelling to the year 1861.

Prue, Piper and Phoebe must stop a time loop caused by Tempus (David Carradine).

The Doctor and the Brigadier attempt to rescue Jo (Katy Manning) and Bert from the mine but Global Chemicals prove distinctly uncooperative.

Darrin (Dick York) and Samantha revisit their courtship to find out if Darrin would have proposed if he knew she was a witch.

To escape from this dystopian nightmare of 2050, (and to win this week's shopping task) the housemates have to prove they have adapted to living in the future by completing a series of tasks, a lot of which involve eating various repulsive substances. Created by John de Mol, Jr.

Traveled in the films Dr. Who and the Daleks (1965), Daleks' Invasion Earth:2150 A.D. (1966) and co-starred as Air Commodore Colonel William Raymond in Biggles: Adventures in Time (1986).

Traveled in the TV movie A Connecticut Yankee (1955) the TV series Green Acres episode "The Good Old Days" (1966), and Ray Bradbury Theatre episode "Touch of Petulance" (1990), and the film Escape To Witch Mountain (1975)

Traveled in the film The Final Countdown (1980)

A young couple journeys to rescue the girl's father, who is being held prisoner by the evil Captain Mephisto (Roy Barcroft), a pirate from 200 years ago who uses his Transformation Machine to travel forward in time.

Traveled as Anne Frank in the TV series Mentors episode "Dear Diary" (2001)

Traveled in the Eastenders episode 3752 (2010)

Traveled as Spider-Man in the TV series Spider-Man episode "The Vine" (1968)

Darien (Dale Midkiff) watches the news and sees a report on a man who was brought to the hospital and he recognizes him as one of his instructors.

Jin Hyuk (Song Seung-heon) wakes up in a foreign place and realizes that he is in the Chosun era.

An alien survivor of the Roswell crash, nick named "Adam", who was kept on life support for decades, suddenly awakens and wreaks havoc. Starring Jonathan LaPaglia.

In 1903, in Cornwall, a group of locals discover an underwater city, dating back to 1803, that hides a society of smugglers and aquatic creatures. Starring Vincent Price.

Patrick Watson "interviews" great figures of world history about their accomplishments. This week, Vladimir Lenin (MIchael Ironside).

Traveled in the films Hercules In New York (1969), Trancers (1985), Yesterday's Target (1996), the TV series Quantum Leap episodes "Future Boy" (1991) and "Mirror Image" (1993), The Adventures of Brisco County, Jr episode "Bye Bly" (1994), and the TV series Star Trek: Voyager episode "Endgame"