Co-wrote and directed the film Night Watch (2004)

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.

Traveled in the film The Spirit of '76 (1990), as Doom in the TV series Avenger Penguins (1993-94), the Doctor Who episode "The Angels Take Manhattan" (2012)

Traveled in the TV series The Twilight Zone episode "Judgment Night" (1959), The Avengers episode "Escape In Time" (1967), and the films A Christmas Carol (1951), Waxwork (1988), Waxwork 2: Lost In Time (1992), and Low Budget Time Machine (2003).

In 1987, Ulrich seizes an opportunity. The kids return to the cave with the time machine, and Jonas learns of a loophole that could change the future.

Three young adventurers travel back in time to watch biblical events, and find themselves ensnared in the Battle of Jericho, with Ed Asner as Joshua.

Sam and Jen take Alex back in time to find out all of the great disasters that happened over the years. Heidi Leigh co-stars as Jen.

Author of The Smedley Faversham Stories (1999-2004)

Noah (Jeffrey Walker) believes he is the only one who can save his people Ñ he must return. "But if I am the only survivor", asks Noah, "what happened to me?"

Phil (Ricky Ullman) is sent back to second grade to improve his poor penmanship and runs into a bully who tries to expose his embarrassment.

Creator of the Smurfs

Flesh is a recurring story in the weekly anthology comic 2000 AD created by writer Pat Mills.

Author of Quine's Paradox, which challenges truth values with the statement: "''Yields a falsehood when appended to its own quotation' yields a falsehood when appended to its own quotation."

In the 30th century, time travel becomes illegal after a time paradox crisis. The Time Protection Department (TPD) is established to watch for and stop time crimes. Narration by Yukitoshi Hori

The ghost of Lady Anne (Sherry Bennett) continues to walk down the stairs, knife in hand, and into the secret passage where she murdered her domineering husband.

As Jamie (Sam Heughan) puts all of his efforts into turning the Jacobite army away from the impending slaughter at Culloden Moor, Claire attempts to comfort the sick Alex Randall.

The Doctor (William Hartnell) and Dodo return to London in the present day where the Doctor becomes concerned about WOTAN, a new super-computer installed in the Post Officer Tower.

Nanomites corp are exposed by a Time Jumper (Sara Elizabeth Joyce) who has seen the future and brings back tidings of doom.

Traveled in the film Moonwalker (1988)

Wrote the short story "Trapalanda" (1987)

Directed these TV series episodes: Fantasy Island "Elizabeth's Baby" (1981), Quantum Leap episode "The Color of Truth" (1989), Babylon 5 "War Without End (1996), Lois & Clark: The New Adventures of Superman "Twas The Night Before Mxymas" (1996) Star Trek: Voyager "Year Of Hell, Part 2" (1997) and Star Trek: Enterprise "Carpenter Street" (2003)

A shambling, out-of-work actor (Douglas Henshall) desperate to win back the affections of his ex-girlfriend, unexpectedly stumbles upon a way to turn back the clock.

A 16-year-old girl prepares a list of 16 wishes for eight years, hoping they will come true on her 16th birthday. A fairy comes to give her 16 candles that make the 16 wishes come true.

With Carol (Sammie Winmill) threatened, Peter is forced to reopen the passageway to the 20th century.

Lady Venus intervenes and sends the young Hand Muller back to the Middle Ages - so he can learn the true meaning of love. Written and co-starring Manfred Krug.

Lloyd forces Phil (Ricky Ullman) and Pim to switch bodies because of excessive arguments.

As Jamie (Sam Heughan) puts all of his efforts into turning the Jacobite army away from the impending slaughter at Culloden Moor, Claire attempts to comfort the sick Alex Randall.

Traveled in 16 episodes of the TV series, The Lost Saucer (1975).

15 year old AJ (John Patrick White) likes to learn so he uses his time machine to enter into a world of fantasy. This time, he and his friends visit Queen Victoria.

Alex has to write a mystery for the school paper. Mike Ackerman co-stars as Sam.

Traveled in the film Prehistoric Women (1967)

Tom and Diana must hunt down a kidnapper who targets 4400 children. Maia's sister, Sarah (Alice Krige) appears.