Dexter decides to improve his financial status by becoming mayor of Quetzo. When Flipper points out that a by-law insists the mayor must be married, Isolde, a jellyfish, disguises herself as a beautiful octopus, to trick him into marrying her. Flipper and Lopaka find out and stop the wedding at the last minute.

Dexter takes a group of mischievous young fish under his 'wing.' Concerned at the influence these delinquents might have on other youngsters, Flipper forms a sporting team to promote positive values.The delinquents are so impressed that Flipper's team managed to win without cheating, they switch sides.