Doctor Who
(1963–1989)
In trying to retrieve the clones from inside the Doctor, the alien virus is brought from the microbial world into the macro-world, and it's ready to spawn.
We're watching "Tiger King" on Netflix for sure. Our recommendations also include "Night on Earth", "Ozark," and more.
User Lists
Related lists from IMDb users
Share this Rating
Title: The Invisible Enemy: Part Four (22 Oct 1977)
Want to share IMDb's rating on your own site? Use the HTML below.
Edit
Cast
| Episode cast overview: | |||
| Tom Baker | ... | Doctor Who | |
| Louise Jameson | ... | Leela | |
| Frederick Jaeger | ... | Professor Marius | |
| Michael Sheard | ... | Lowe | |
 |
Brian Grellis | ... | Safran |
|
|
Jim McManus | ... | Opthalmologist |
| John Leeson | ... | Nucleus / K9 (voice) | |
| Pat Gorman | ... | A Medic | |
| John Scott Martin | ... | Nucleus (as John Scott-Martin) | |
Edit
Plot Summary
|
Add Synopsis
Storyline
In trying to retrieve the clones from inside the Doctor, the alien virus is brought from the microbial world into the macro-world, and it's ready to spawn.
Parents Guide:
Add content advisory for parents »
Edit
See full technical specs »
Details
Country:
UKLanguage:
EnglishRelease Date:
22 October 1977 (UK) See more »Company Credits
Show more on
IMDbPro »
Technical Specs
Runtime:
Sound Mix:
MonoColor:
ColorAspect Ratio:
1.33 : 1
Edit
Leela: [unphased] Just hurry up.
See more »
Did You Know?
Trivia
This episode was watched by 8.3 million viewers on its original transmission. See more »Quotes
Doctor Who: [taking a blood sample] You're not frightened of blood, are you, you mighty huntress?Leela: [unphased] Just hurry up.
See more »
Frequently Asked Questions
This FAQ is empty. Add the first question.On IMDb TV, you can catch Hollywood hits and popular TV series at no cost. Select any poster below to play the movie, totally free!
The downward spiral is complete, what started off as a very decent story, has turned into a bit of a mess. It's just so hard to get past the fact that it's a giant prawn barking orders, no pun intended. There are some positives, it's quite a good Leela story, she has some funny lines, and behaves in character. The hatchlings look pretty grim, and there's a great scene where The Doctor accidentally forgets Leela. Overall though it has a really cheap and nasty feel, the designer of the prawn got it so badly wrong, so bad that it was literally laughable.
At least it gave us K9, I only hope he's TARDIS trained.