Underworld (2) (S15E18)
S15E18
After a millennium of searching, the Minyans have finally discovered the fabled P7E. However, as they delve into the vessel, hidden deep within the heart of a recently formed planet, they soon realize that the true challenges lie not only in uncovering its secrets but also in facing the unknown dangers that lurk within.
Show
Doctor Who
Episode
S15E18
Air Date
Jan 14, 1978
Season 15 Episodes
S15E01
Horror of Fang Rock (1)
S15E02
Horror of Fang Rock (2)
S15E03
Horror of Fang Rock (3)
S15E04
Horror of Fang Rock (4)
S15E05
The Invisible Enemy (1)
S15E06
The Invisible Enemy (2)
S15E07
The Invisible Enemy (3)
S15E08
The Invisible Enemy (4)
S15E09
Image of the Fendahl (1)
S15E10
Image of the Fendahl (2)
S15E11
Image of the Fendahl (3)
S15E12
Image of the Fendahl (4)
S15E13
The Sun Makers (1)
S15E14
The Sun Makers (2)
S15E15
The Sun Makers (3)
S15E16
The Sun Makers (4)
S15E17
Underworld (1)
S15E18
Underworld (2)
S15E19
Underworld (3)
S15E20
Underworld (4)
S15E21
The Invasion of Time (1)
S15E22
The Invasion of Time (2)
S15E23
The Invasion of Time (3)
S15E24
The Invasion of Time (4)
S15E25
The Invasion of Time (5)
S15E26
The Invasion of Time (6)