The moon invades Duckburg, forcing Scrooge to join forces with an unlikely ally in an effort to save Earth; Della and the kids search the globe for reinforcements.

April Winchell, Beck Bennett, Chris Diamantopoulos, Cree Summer, David Kaye, Jim Rash, Julie Bowen, Kari Wahlgren, Keith Ferguson, Kimiko Glenn, Lance Reddick, Laura Bailey, Libe Barer, Lin-Manuel Miranda, Marc Evan Jackson, Michael Chiklis, Nia Vardalos, Omid Abtahi, Paget Brewster, Paul F. Tompkins, Rob Paulsen, Selenis Leyva, Susanne Blakeslee, Toks Olagundoye, Tom Kenny, Tony Anselmo