Oh, God, the Doctor's furry hand. Spare us. Not to mention that silly face fuzz they all start sprouting. The Doctor realises he is cured since Leela's clone introduced her immunity factor into his bloodstream. He replicates it and gives it to Prof. Marius. The Doctor, Leela, and K9 proceed to Titan Base in the TARDIS. Informed Self-Diagnosis: An odd inversion in that the Doctor's self diagnosis confirms Professor Marius's analysis, rather than the other way around. The Invisible Enemy was the second serial of season 15 of Doctor Who. It saw the first appearance of K9. The suggestion that English spelling will get more literal in the future is a good one, well predicting the effects of technology has on language

contribution to the series had been the previous season's The Hand Of Fear. Their starting point was a When K9 first meets Leela, a reflection of a moving crew member can be seen on the front of the cloning booth. This story returned the Fourth Doctor and Leela to the original TARDIS console room from the beginning of season 14, now with a considerably updated appearance, with the changes in its features and the fact the Doctor had reverted to using a different console room all this time being explained as a deliberate attempt to redecorate the console. Studio Sweepings - A rare opportunity to go behind the scenes on the recording of this story, courtesy of a time-coded videotape recordingThe Doctor resists the voice in his head, warns Leela and collapses, his infection receding. Lowe and Safran confer and decide that, while Safran prepares the station for incubating the virus, Lowe shall protect the Doctor at all costs. When the Doctor insists on finding medical help, Lowe suggests the Bi-Al Foundation in the nearby asteroid belt. The Doctor gives Leela the co-ordinates before he puts himself in a coma, and she pilots the TARDIS there. The miniaturisation plot is bizarre and reminds me more than a little of the Magic Schoolbus. It should be really cool but somehow looks like a lot of generic alien planets Fantastic Voyage" Plot: At one point, the Fourth Doctor has himself and Leela cloned and shrunk down so he can be injected into his own brain, and fight the monster that's nesting inside it.

Up till now, we thought The Web Planet was the worst Who we'd seen. But at least The Web Planet was trying, even if it failed spectacularly. This is just a cynically slapped together mess that spits in the audience's eye. Ugh. Take it away. When the Doctor, Leela and K9 first leave the Bi-Al Foundation in the TARDIS in part four, Professor Maruis is visibly stood next to the TARDIS as the Doctor enters, waving him goodbye. However, in the subsequent wide shot of the TARDIS dematerialising, he has disappeared. Working titles for this story included [The] Invisible Invader, The Invader Within, and The Enemy Within. [2] John Leeson is credited as "Nucleus Voice" for part one, while for parts two to four he is billed as "Nucleus & K9 Voice" on-screen and as "Nucleus Voice and K9" in Radio Times.Rating: 4/5 prawn-possessed astronauts suffering horrific internal injuries from a knife wielding maniac.