Doctor Who S15E5
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S15E05 — The Invisible Enemy (1)
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Doctor Who

S15E05 The Invisible Enemy (1)

1977-10-01

In the year 5000 AD, a supply shuttle from Earth encounters a mysterious, sentient virus in deep space. This virus rapidly infects the crew at a refueling station on Titan. The situation becomes critical when the Doctor also becomes infected. Meanwhile, Leela remains inexplicably immune. As the team races against time, they must uncover the virus's true intentions and why Leela is unaffected.

Season 15 Episodes

1
Horror of Fang Rock (1)
1977-09-03
 2
Horror of Fang Rock (2)
1977-09-10
 3
Horror of Fang Rock (3)
1977-09-17
 4
Horror of Fang Rock (4)
1977-09-24
 5
The Invisible Enemy (1)
1977-10-01
 6
The Invisible Enemy (2)
1977-10-08
 7
The Invisible Enemy (3)
1977-10-15
 8
The Invisible Enemy (4)
1977-10-22
 9
Image of the Fendahl (1)
1977-10-29
 10
Image of the Fendahl (2)
1977-11-05
 11
Image of the Fendahl (3)
1977-11-12
 12
Image of the Fendahl (4)
1977-11-19
 13
The Sun Makers (1)
1977-11-26
 14
The Sun Makers (2)
1977-12-03
 15
The Sun Makers (3)
1977-12-10
 16
The Sun Makers (4)
1977-12-17
 17
Underworld (1)
1978-01-07
 18
Underworld (2)
1978-01-14
 19
Underworld (3)
1978-01-21
 20
Underworld (4)
1978-01-28
 21
The Invasion of Time (1)
1978-02-04
 22
The Invasion of Time (2)
1978-02-11
 23
The Invasion of Time (3)
1978-02-18
 24
The Invasion of Time (4)
1978-02-25
 25
The Invasion of Time (5)
1978-03-04
 26
The Invasion of Time (6)
1978-03-11