We understand now why GameTrailers took forever to get this episode out the door this week. Turns out that they were adding a bunch of little snippets from this week's release of the Metroid Channel on the Wii. They take a nice plasma shot at putting the basic information we know about Corruption into this retrospective. The series concludes next week with a look at all the games mixed together in one gelatinous Metroid glob.
See also: Part 1, Part 2, Part 3