Robin and Jimmy discoevr three shrunken cities in a cave in the woods and that's not even the whackiest thing that happens in this issue! Brainiac has a secret brother! Superman is useless in a fight! And RObin doesn't even have sense enough to wear socks when he's hiking!
Superman and Batman try to outsmart their Bizarro duplicates, while Tommy Tomorrow and his "buddy" Brent ignore every rational protocol while exploring a planetoid!
Objection overruled! Star Boy is on trial for breaking the Legion Code against killing, but don't worry, Superboy's got the defense locked up! (Spoiler...
It's Jimmy's Birthday! (November 29, according to the 1976 Super DC Calendar!) What more could a boy wish for than three super-powered costumes and...