When Doris insists that Katie attend the charity polo match she's organizing, Katie invites her crass best friend from college, Billy, to inject some life into the festivities.

When Anna-Kat develops a fear of water and stops bathing, her therapist suggests the Ottos get her to go swimming. But Katie must get over her own fear of wearing a bathing suit in public before she can help. Meanwhile, Oliver gives his dad a style makeover.

When Kono goes on a solo outrigger trip around the Hawaiian islands in honor of her mother, she hits a patch of wild weather and must fight to stay alive. As Five-0 searches for Kono, they investigate a man busted for cooking meth who claims he received a threat on his son's life if he didn't continue making the drug.

Hawaii, 1985: Ata and Rocky try to outmatch Lia's promotion with a stable of new big-name wrestlers.

Hawaii, 1986: Rocky travels overseas to visit Andre the Giant on the set of 'The Princess Bride.'

Young Dylan and That Girl Lay Lay keep it stylish, guess the outfit, and shake it off with special guests, actress Miya Cech and actor Bryce Gheisar.

Even superheroes love ice cream! Host Jay Pharoah introduces two mystery celebs hiding behind 3D animated filters. Darci Lynne Farmer, Lex Lumpkin & Miya Cech ask questions & gather clues to unveil our special guests!