Title: Twilight of the Challengers
Featuring: Challengers of the Unknown
Character Appearances: The Chief; Elasti-Girl; Negative Man; Robotman [Cliff Steele] (all as the Doom Patrol); Kra; Volcano Man; Drabny; Multi-Man (all as the Challenger-Haters, villains); The Challengers of the Unknown
Credits: Arnold Drake (Script), Bob Brown (Pencils), Bob Brown (Inks), ? (Colors), ? (Letters).