Fear Itself

Plot
Bowser and The Scarecrow had come up with a fear chemical that is triggered by the release of adrenaline. He uses the chemical on Gotham's greatest sportsmen, then bets against them to rake in the winnings. Dick Grayson, a.k.a. Robin, Karone, and Kimberly learns about this scheme to Gain the Chaos Emerald, but while trying to help Batman and The Others track down the Scarecrow and The Villains, Robin, Karone, and Kimberly are infected by the chemical and becomes stricken senseless with fear.