Last updated on Tuesday 21 January 2014 at 07:11 UK

Watch X-Men - Series 4 - Episode 20 Online Free

X-Men - Series 4 - Episode 20PLAY

Part 1. The X-Men are attacked by the Phalanx, a race of techno-organic aliens seeking to assimilate the X-Men and other life on earth. The alien Warlock allies with Beast, Forge, and Mr. Sinister to defeat the Phalanx.

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