Superman's Greatest Blunder! Thinking that the Sentinels want to destroy the bottle city of Kandor, Superman destroys all five of them. Too late, he discovers they only wished to protect it until Supergirl could enlarge it, and that he has doomed Earth to crime, war, and disasters again.
The Boy Who Broke Supergirl's Heart! Supergirl notices the heartbreaking tactics of campus romeo Gary Sparks and decides to give him a taste of his own medicine by making a play for him as Linda Danvers, using her super-charms on him, and then dumping him. But the plan backfires two ways: first, Gary shows up with another girl at the football game Linda stood him up at; second, she finds herself falling in love with him. She finally decides to go to him, reveal herself as Supergirl, and try and win his love that way.
