LAHAINA CANNERY MALL. Polynesian Performances Hula Show, 7 p.m. Thursday (tonight). Keiki Hula Show, 1 p.m.; Yu-Gi-Oh card session, 3 to 5 p.m. Saturday. Comedy and magic with Lauro Castillo Jr., noon; Keiki Hula Show, 1 p.m.; Yo-Yo demonstration, 4 to 5 p.m.; line dancing by Maui Paniolo Posse, 4:30 p.m. Sunday. Ukulele lessons, 5:45 p.m.; Polynesian Performances Hula Show, 7 p.m. Tuesday. Center is at 1221 Honoapiilani Highway. Hours are 9:30 a.m. to 9 p.m. daily. For details, call 661-5304.