Doctor Who, awaiting an execution sentence passed down by the High Council of Time Lords in an attempt to prevent bonding, tries to expose a traitor on Gallifrey.

Sixteen-year-old Gwen, the newest and final member of the secret time-traveling Circle of Twelve, searches through history for the other time-travelers, aided by friend Lesley, James the ghost, Xemerius the gargoyle demon, and Gideon, the Diamond, whose fate seems bound with hers.

Jack and Annie are transported by their magic tree house to the time of the Civil War where they meet Clara Barton.

The Doctor travels without a companion facing cybermen in nineteenth-century London, saving a busload of Londoners from the deadly Swarm, protecting Earth from mysterious water organisms on Mars, and enduring a final showdown with the Master and the returning Time Lords before his next regeneration.

When eight-year-old Jack and his seven-year-old sister, Annie, join a group of nineteenth-century explorers aboard the H.M.S. Challenger, they learn about the ocean, solve the mystery of its fabled sea monster, and gain compassion for their fellow creatures.

Still trapped in ancient times, fifteen-year-old Walker reluctantly accepts the responsibility of leading a group of Indians on a difficult and dangerous journey across the high desert country of northern Arizona to a new home on the Hopi mesas.

Twelve-year-old Tag struggles with himself and encounters historical figures and events as he time-travels from the ancient cliff-dwellers period to the present.

A fifteen-year-old Hopi boy and his freckled companion travel back 800 years to the world of the Sinagua culture, a group of people beset by drought and illness and in need of a leader.

"The TARDIS is in the path of molten lava on the planet Dulkis, and the Doctor is forced to activate the emergency unit to move it out of harm's way. Unfortunately, the craft is also taken out of normal time and space ... and out of reality itself! When the time travellers land 'nowhere, ' they stumble into a world peopled by fictional characters -- Gulliver and Rapunzel, D'Artagnan and Sir Lancelot -- but also by creatures from mankind's worst imaginings!"--Container....

When Pendragon finds himself in the war-stricken territory of Cloral, he and his uncle take it upon themselves to rid the area of marauders and locate the legendary lost land of Faar, which may hold the key to Cloral's survival.