Issue: #17
Invasion Extra: First Strike! The Doom Patrol strike up an alliance with their alien foe Garguax as they go up against the forces of the alien invasion beneath the Arctic icecap. Guest-stars Aquaman, Aqualad and the Sea Devils.Notes:The death of Celsius.Wonder Woman, Starman, Firestorm and the Atom cameo appearances on a television monitor.
Creators: Graham Nolan, Paul Kupperberg, Bob Pinaha, Tim Dzon, Michele Wolfman, Robert Greenberger
Characters: Aquaman, William Payton, Wonder Woman, Ray Palmer, Tempest, Firestorm, Robotman, The Chief, Judy Walton, Nicky Walton, Biff Bailey, Lodestone, Joshua Clay, Celsius, Valentina Vostok, Storm the Seahorse, Dane Dorrance, Scott Fisher, Garguax
Story arcs: Invasion!