Descent (S05E12)
S05E12
The origin of Mr. Sinister is revealed.
Show
X-Men
Episode
S05E12
Air Date
Sep 06, 1997
Season 5 Episodes
S05E01
The Phalanx Covenant (1)
S05E02
The Phalanx Covenant (2)
S05E03
A Deal with the Devil
S05E04
No Mutant Is an Island
S05E05
Longshot
S05E06
Bloodlines
S05E07
Storm Front (1)
S05E08
Storm Front (2)
S05E09
Jubilee's Fairytale Theatre
S05E10
The Fifth Horseman
S05E11
Old Soldiers
S05E12
Descent
S05E13
Hidden Agendas
S05E14
Graduation Day