Ranma ½, part 7 number 8

Part 15: Never Bet Your Life: Ranma is staying with Ukyo for a while. Akane and Ukyo try to help Ranma improve his gambling skills, but he's a terrible gambler. The Gambling King has turned the dojo into a casino. Ranma-chan works at Ukyo's as a waitress.

Part 16: Put On a Poker Face: Nabiki points out that the Gambling King cheats, and gives Ranma some tips on how to beat him. Ukyo beats her restaurant on Ranma winning.