Step Back

A young physicist reveals his invention to his mentor, whose fatal betrayal of trust is merely the precursor of the inventions immense power.

King is a young man, but he's already a veteran of life on the streets of Los Angeles. The de facto leader of a group of teenage runaways, King acts...

On the planet Alzarius in the alternate universe of E-Space, the Doctor, Romana and K9 find survivors of a crashed starliner, strange creatures...

Still trapped in E-Space, the Doctor, Romana, Adric and K9 encounter a medieval civilisation dominated by the Three Who Rule, vampires who govern...

The Doctor, Romana, Adric and K9 encounter the enslaved time-sensitive Tharils, who lead them to a white void occupied only by the ruins of an old...

After an encounter with the Master, an airline stewardess named Tegan Jovanka becomes an unwitting stowaway aboard the TARDIS as it travels to the...

Vito, a student, often experiences misfortunes that allow him to reverse time. However, it turns out that things are not as perfect as he imagined....

Omega, an ancient Time Lord made of pure anti-matter, once defeated by the Doctor, is plotting to cross over into this dimension by bonding with the...

Tegan falls once more under the influence of the Mara and directs the TARDIS to the planet Manussa. There, the Federator's son Lon and his mother...

A warp ellipse draws the TARDIS off course. The Fifth Doctor's companions are separated from him not in space, but in time, and he has to deal with a...

The TARDIS attaches itself to a space liner after Turlough, still under the Black Guardian's influence, damages its controls. The Doctor and Nyssa...

The Doctor and his companions arrive at a medieval joust and are surprised to be greeted warmly by King John, who calls them his demons. But when a...