A member of a league of time travelers and a boy travel through time repairing errors in world history.
Pilot
Created Equal
Bully and Billy
Agents of Satan
Worlds Apart
Cleo and the Babe
The Day the Rebs Took Lincoln
Old Hickory and the Pirate
The Travels of Marco ...and Friends
An Arrow Pointing East
Merry Christmas, Bogg
Buffalo Bill and Annie Oakley Play the Palace
The Trial of Phineas Bogg
Sneak Attack
Voyagers of the Titanic
Pursuit
Destiny's Choice
All Fall Down
Barriers of Sound
Jack's Back
The Girl from Tomorrow
Prehistoric Park
A Returner's Magic Should Be Special
Time-travelling Dinosaur Knights
For All Mankind
Planet of the Apes
My Heroic Husband
Thunderstone
Torchwood
Terminator: The Sarah Connor Chronicles
Megas XLR
Hello Dear Ancestors
Dark Skies
The Sarah Jane Adventures
Ashes to Ashes
The Visitor from the Future
My Lady Jane
The Lost Room
Quantum Leap
Outlaws