Forever Young

Her building's elevator, having been altered by a retired physicist in the building, transports 14-year old Susan Shawson back in time from 1998 Philadelphia to the same place in 1881. There she meets Victoria Walker, a girl her own age in need of assistance with her own family's problems. Gradually discovering the power of her time machine, Susan, Victoria, and her young brother Robert travel back and forth in time and succeed in changing both the past and the future.

A group of middle school kids stumble upon a chest full of incredible toys from the future. The discovery takes them on an adventure using their newfound toys to save their neighborhood and ultimately the world from a maniacal corporate madman. In the process, these "loser" kids learn they have the qualities they thought they were lacking all along.

After the loss of their father, 3 sisters fight against each other for the two houses of the family. They are time travelers, magicians and hold a lot of secrets. The men of their lives tend to only complicate the things.

Simon and Liz fell into a time hole and found themselves trapped in different eras of the 20th century, where they have all sorts of adventures. Many of these involve the nefarious Commander Traynor, who is also traveling through time.

The Tomorrow People are the next evolutionary stage of humans with abilities like teleportation, telepathy, and healing. Aided by an ancient spacecraft, they use their powers to protect the world while keeping their existence secret.

A sci-fi action comedy about middle-schooler Will, who is visited by a time-traveling, rebel warrior named Athena. Athena shocks Will when she tells him that he grows up to destroy the world.