5 Temporada
76 Episodio
X Men, La Serie Animada - Season 5 Episode 12 Descenso (1997)
The origin of Mr. Sinister is revealed.
- País : United States of America
- Género : Kids, Sci-Fi & Fantasy, Animation, Action & Adventure
- Estudio : FOX, Fox Kids
- Director : Eric Lewald
- Emitir : Cedric Smith, Norm Spencer, Catherine Disher, Alison Sealy-Smith, Lenore Zann, Cal Dodd