Darth Maul is back and you can relive his interesting return at Starwars.com where the full episode of "Brothers" (S4 Ep. 21) is now online. Keep an eye our for our TFN review this weekend and the applicable ForceCast Clone Wars Roundtable a little later in the week.
As I'm sure you remember, "Brothers" is part 3 of a 4-part story arc. Both parts one and two are still available for viewing at the main site if you'd like to re-watch the arc from the beginning. Follow the links below.