A research chemist comes under personal and professional attack when he decides to appear in a 60 Minutes exposé on Big Tobacco.
The TARDIS arrives on the planet Marinus on an island of glass surrounded by a sea of acid. The travellers are forced by the elderly Arbitan to retrieve four of the five operating keys to a machine called the Conscience of Marinus, of which he is the keeper. These have been hidden in different locations around the planet to prevent them falling into the hands of the evil Yartek and his Voord warriors, who plan to seize the machine and use its originally benevolent mind-influencing power for their own sinister purposes.
The Doctor, Ian, Barbara and Susan arrive in the TARDIS on board a spaceship. Their initial concern is for the ship's human crew, who are suffering from telepathic interference from the Sensorites, but Susan communicates with the Sensorites and finds the aliens fear an attack by the humans and are just defending themselves. Travelling to the Sense Sphere (the Sensorites' planet) the Doctor seeks to cure an illness to which the Sensorites and Ian have succumbed, but finds it has been caused by deliberate poisoning. The political manoeuvring of the Sensorite City Administrator poses another threat to the TARDIS crew as he seeks to discredit and implicate them.
Modern version of The Frog King. Out of an impulse, 15-year-old Anna kisses a frog which then turns into a prince. But the curse is not solved that easily.
A girl who's sick of the social strictures of junior high is transformed into a grownup overnight. In this feel-good fairy tale, teenager Jenna wants a boyfriend, and when she's unable to find one, she fantasizes about being a well-adjusted adult. Suddenly, her secret desire becomes a reality, and she is transformed into a 30-year-old, but adulthood, with its own set of male-female challenges, isn't as easy as it looks.
12-year-old David is accidentally knocked out in the forest near his home, but when he awakens eight years have passed. His family is overjoyed to have him back, but is just as perplexed as he is that he hasn't aged. When a NASA scientist discovers a UFO nearby, David gets the chance to unravel the mystery and recover the life he lost.
A spacecraft is discovered on the floor of the Pacific Ocean, presumed to be at least 300 years old and of alien origin. A crack team of scientists and experts is assembled and taken to the Habitat, a state-of-the-art underwater living environment, to investigate.
A simple man is turned into a genius through the application of computer science.
After a top-secret experiment misfires, a scientist may be the only man left alive in the world.
A military veteran goes on a journey into the future, where he can foresee his death and is left with questions that could save his life and those he loves.
During a space voyage, four scientists are altered by cosmic rays: Reed Richards gains the ability to stretch his body; Sue Storm can become invisible; Johnny Storm controls fire; and Ben Grimm is turned into a super-strong … thing. Together, these "Fantastic Four" must now thwart the evil plans of Dr. Doom and save the world from certain destruction.
An unmonitored clandestine research project suffers a "technical malfunction" and each of the isolated volunteers must devise an escape plan or face certain death.
Simon Templar (The Saint), is a thief for hire, whose latest job to steal the secret process for cold fusion puts him at odds with a traitor bent on toppling the Russian government, as well as the woman who holds its secret.
Peggy Sue faints at a high school reunion. When she wakes up she finds herself in her own past, just before she finished school.
Navy SEAL Shane Wolfe is handed a new assignment: Protect the five Plummer kids from enemies of their recently deceased father -- a government scientist whose top-secret experiment remains hidden in the kids' house.
In a Asian desert, a team of explorers learn of a newly discovered cave system and set out to explore it. However as soon as they begin the descent, it becomes clear that this was a secret that should have remained below the surface.
When a hunter sent back to the prehistoric era runs off the path he must not leave, he causes a chain reaction that alters history in disastrous ways.
The Doctor, Jamie and Zoe return to Earth and become embroiled in the schemes of Tobias Vaughn. They meet up with an old friend, Colonel (now Brigadier) Lethbridge-Stewart, and some old enemies, the Cybermen.
The TARDIS arrives on the unnamed planet of the Gonds, who are ruled and taught in a form of self-perpetuating slavery by the alien Krotons — crystalline beings whose ship, the Dynatrope, crash-landed there thousands of years earlier after being damaged in a space battle. The Krotons are in suspended animation, in a crystalline slurry form, awaiting a time when they can be reconstituted by absorption of mental energy. Periodically, the two most brilliant Gond students are received into the Dynatrope, nominally to become "companions of the Krotons", but in truth to have their mental energy drained, after which they are killed.
The TARDIS lands in a space museum on Earth in the late 21st century, where the Second Doctor, Jamie and Zoe learn that contact has been lost between Earth and the Moon. In this era, instant travel — T-Mat — has revolutionised the Earth. Its people have lost interest in space travel. The Doctor and his companions travel to the Moon in an old-style rocket and reach the Moonbase, control centre for T-Mat, only to find a squad of Ice Warriors have commandeered the base and plan to use the T-Mat network to their advantage.