Mark Gatiss stars as Professor Nebulous, the director of KENT (Key Environmental Non-judgemental Taskforce) in the year 2099.
- Series 1
- s01e01 - 2005-01-06 - Night of the Vegetarians
- Professor Nebulous and his team of eco-troubleshooters investigate a series of deaths at the last remaining vegetarian colony.
- s01e02 - 2006-01-13 - The Lovely Invasion
- When a race of glamorous, naked aliens crash land on Earth, only Professor Nebulous remains immune to their charms.
- s01e03 - 2005-01-20 - The Dust Has Landed
- With dust levels at an all time high, Nebulous and his team find themselves battling an intelligence of pure filth.
- s01e04 - 2005-01-27 - Madness Is a Strange Colour
- When the Vartox Paint Company launch a new colour, Professor Nebulous discovers it has brain-bending qualities.
- s01e05 - 2005-02-03 - The Coincidence Machine
- With an increasing number of strange coincidences piling up, Professor Nebulous suspects the world may be heading for coinci-clasm.
- s01e06 - 2005-02-10 - The Man Who Polished the Sun
- With Earth in the grip of a new season called Hamble, Professor Nebulous asks an old enemy for help.
- Series 2
- s02e01 - 2006-04-05 - The Deptford Wives
- Professor Nebulous (Mark Gatiss) and his inept team come face to face with the Debbies, a race of cloned wives who've been programmed to pamper with extreme prejudice.
With special guest star Peter Davison.
- s02e02 - 2006-04-12 - The Buzzing
- A machine that controls the nation's pollen; people sneezing themselves to death; a race of bee/wasp hybrids called "bosps": Professor Nebulous thinks there's a connection. With special guest star Steve Coogan.
- s02e03 - 2006-04-19 - I, Nebulous
- The Transgalactic Peace Conference is thrown into jeopardy when Professor Nebulous meets the deadly Infernons and is forced to swap minds with his arch enemy; the evil Doctor Klench (guest star David Warner).
- s02e04 - 2006-05-26 - Destiny of the Destinoyd
- During a visit to a decommissioned moon base, Professor Nebulous falls in love with his ideal woman - the beautiful Franabelle. If only people didn't keep dying horrible deaths in creepy corridors.
- s02e05 - 2006-05-03 - Tempus Fugitive
- When a bizarre accident causes scientist Linda Adnil to splinter through time, Professor Nebulous and his team must travel to different time zones to locate the various Linda-viduals. With special guest Kate O'Mara.
- s02e06 - 2006-05-10 - Last of the Present Sirius
- Is Professor Nebulous trapped in a time loop? Or maybe he's the victim of an alien scooping operation? Or could he be the unwitting star of the galaxy's highest-rating reality TV show?
- Series 3
- s03e01 - 2008-05-15 - Genesis of the Aftermath
- 2099: Professor Nebulous and his team of inept eco-troubleshooters continue their struggle against alien threat and ecological disaster.
Nebulous travels back in time to the day of his greatest experiment. Can he prevent the destruction of the Isle of Wight?
- s03e02 - 2008-05-22 - The Past Must Be Destroyed!
- Nebulous returns to his old university where he discovers several learned lecturers have disappeared under mysterious circumstances. With guest star Julia Davis.
- s03e03 - 2008-05-29 - The Girl With the Liquid Face
- The team travel to Atlantis, where the Professor battles the legendary Kraken and Paula receives some startling news.
- s03e04 - 2008-06-05 - We, Nebulous
- The professor finds himself imprisoned in Biros Optimum Security prison alongside some of the galaxy's most evil masterminds, with the people of KENT as his only hope of escape.
- s03e05 - 2008-06-12 - Rebel Without a Cortex
- Nebulous and his team have to transport a dangerous criminal to Saturn. But why does this alien look and sound exactly like Nebulous's father?
- s03e06 - 2008-06-12 - Us and Phlegm
- Professor Nebulous and his inept team of space eco-warriors encounter a very snotty alien life form that is infecting the world's workforce. David Tennant puts in a guest appearance in Graham Duff's sitcom.