Dell · April, 1962
1st Appearance of Billy Randall; 1st Appearance of Cindy Collins; 1st Appearance of Frogmen Inc.; 1st Appearance of Jane Randall; 1st Appearance of Jim Collins; 1st Appearance of Steve Randall; Feb-Apr issue
Underwater Hunting; Underwater Secret; Treasure Hunting Underwater; Underwater Safety
Writer: Don Segall
Artist: George Evans