Stories Book Target Collection Doctor Who and the Invisible Enemy 1 image Overview Characters How to Read Reviews 1 Statistics Related Stories Quotes Overview Released Thursday, March 29, 1979 Written by Terrance Dicks Publisher Target Books Pages 112 Story Type New Companion Introduction Time Travel Future Tropes (Potential Spoilers!) Disease, Miniaturisation Location (Potential Spoilers!) Bi-Al Foundation, Titan, Titan Base Synopsis A mysterious cloud drifts menacingly through space... A sudden energy flash and the Doctor is infected with the Nucleus of a malignant Virus that threatens to destroy his mind. Meanwhile, on Titan, human slaves prepare the Hive from which the Virus will swarm out and infect the universe. In search of a cure, Leela takes the Doctor to the Foundation where they make an incredible journey into the Doctor's brain in an attempt to destroy the Nucleus. But can the Doctor free himself from the Nucleus in time to reach Titan and destroy the Hive? Luckily he has help – in the strangely dog-like shape of a mobile computer called K9 ... Read Read Favourite Favourited Add Review Edit Review Log a repeat Skip Skipped Unowned Owned Owned Save to my list Saved Edit date completed Custom Date Release Date Archive (no date) Save Characters Fourth Doctor Leela K9 Mark I The Nucleus of The Swarm Show All Characters (4) How to read Doctor Who and the Invisible Enemy: Books Doctor Who and the Invisible Enemy Reviews Add Review Edit Review Sort: Date (Newest First) Date (Oldest First) Likes (High-Low) Likes (Low-High) Rating (High-Low) Rating (Low-High) Word count (High-Low) Word count (Low-High) Username (A-Z) Username (Z-A) Spoilers First Spoilers Last 1 review 2 June 2025 · 14 words Review by Rock_Angel First target book that took me multiple days to finish i was not vibing Rock_Angel View profile Like Liked 0 Open in new window Statistics AVG. Rating277 members 3.39 / 5 Member Statistics Read 35 Favourited 2 Reviewed 1 Saved 0 Skipped 10 Related Stories Other adaptations of this story: We define an adaptation as a recreation of a similar story but on a different medium or with different characters. Classic Who S15 • Serial 2 · (4 episodes) The Invisible Enemy Rating: 2.93 Story Skipped Television Reviews(10) More Actions View Sets Close Related Sets Set of Stories: Doctor Who Season 15 Set of Stories: Doctor Who (1963-1996) Set of Stories: Fourth Doctor Add Review Edit Review Skip Skipped Unowned Owned Save to my list Saved Quotes Add Quote Submit a Quote
