User blog comment:AwesomeIsMyName/It's pretty much official..../@comment-5987011-20130207013420

Chapter 42: "Aliens Among Us"

Chapter 43: "The Horrible Herd"

Chapter 44: "Dance of the Undead"

Chapter 45: "The Devouring"

Chapter 46: "Stand and Deliver"

http://tv.msn.com/tv/episode/scooby-doo!-mystery-incorporated/dance-of-the-undead/