List server
Season 3 Episode
- Season 3 Underdog vs. Overcat, Part 1
- Season 3 Underdog vs. Overcat, Part 2
- Season 3 Underdog vs. Overcat, Part 3
- Season 3 Underdog vs. Overcat, Part 4
- Season 3 The Big Dipper, Part 1
- Season 3 The Big Dipper, Part 2
- Season 3 The Big Dipper, Part 3
- Season 3 The Big Dipper, Part 4
- Season 3 Just in Case, Part 1
- Season 3 Just In Case, Part 2
- Season 3 Just In Case, Part 3
- Season 3 Just In Case, Part 4
- Season 3 The Marbleheads, Part 1
- Season 3 The Marbleheads, Part 2
- Season 3 The Marbleheads, Part 3
- Season 3 The Marbleheads, Part 4
- Season 3 Simon Says, Be my Valentine, Part 1
- Season 3 Simon Says 'Be My Valentine', Part 2
- Season 3 Simon Says 'Be My Valentine', Part 3
- Season 3 Simon Says 'Be My Valentine', Part 4
- Season 3 Round and Round, Pt 1
- Season 3 Round and Round, Pt 2
- Season 3 Round and Round, Pt 3
- Season 3 Round and Round, Pt 4
- Season 3 A New Villain, Part 1
- Season 3 A New Villain, Part 2
- Season 3 A New Villain, Part 3
- Season 3 A New Villain, Part 4
- Season 3 Batty Man, Part 1
- Season 3 Batty Man, Part 2
- Season 3 Batty Man, Part 3
- Season 3 Batty Man, Part 4
- Season 3 The Vacuum Gun, Part 1
- Season 3 The Vacuum Gun, Part 2
- Season 3 The Vacuum Gun, Part 3
- Season 3 The Vacuum Gun, Part 4
- Season 3 Phoney Booths, Part 1
- Season 3 Phoney Booths, Part 2
- Season 3 Phoney Booths, Part 3
- Season 3 Phoney Booths, Part 4
Underdog - Season 3 Episode 13 The Marbleheads, Part 1
6.20 10 minutes A strange object crash-lands on earth. A group of scientists check out the mysterious object, determining that it's a harmless, dead comet. The scientists leave the scene unaware of the fact that a secret door opens from the center of this strange thing and two evil looking space aliens emerge from this strange object.
