Doctor Who: The Mysterious Planet (1986)

Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.

The newly-regenerated Doctor arrives in Victorian London, and Clara Oswald struggles to embrace the man he has become. All the while, they reunite with the Paternoster Gang to investigate a series of combustions that have been occurring all around the city.

Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.

Office employee Barry Thomas is caught in a "time bounce" caused by a glitch in the company's secret project. Now the same day occurs again and again - and Barry's the only one who can do anything about it, including saving the life of beautiful research assistant Lisa Fredericks.

As they enter sophomore year at Monster High, Clawdeen Wolf, Draculaura and Frankie Stein face new students, new powers, and an even bigger threat that could not only tear their friendship apart but could change the world forever.

Jamie and Lucy have an encounter with what appears to be a pair of ghost children. But these spooky kids, Sara and Georgie, aren’t actually ghosts. They’ve travelled forwards in time to seek help, believing they’re going to be murdered by the wicked Mr and Mrs Wickens. And Lucy and Jamie’s strange visitor seems to be the key to it all. With his help, they must travel back to 1821 to save Sara and Georgie and redeem their remorseful new friend – The Amazing Mr Blunden.

After being punished for retreat from combat, Ranger David Martel is given command of the Liandra, a haunted 20-year old Minbari fighting ship. He's escorting ambassadors to a secret archaeological site, the oldest city on record and a clue to a dangerous ancient race.

After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.

Anastasia Romanov escapes through a portal when her family is threatened by Vladimir Lenin, and she finds herself in the year 1988, befriended by a young American girl.

When a tech blogger lands an interview with a tech guru and stops an attack on him, he finds a mysterious ring that takes him back 57 seconds into the past.