Plan Ahead / Next Weekend

* Dance. Trinity Irish Dance Company appears on Nov. 1 at 2 and 7 p.m. in Royce Hall on the UCLA campus in Westwood. $13 (students)-$30. (310) 825-2101.

* Film. “The Inferno of Susumu Hani,” a retrospective of the Japanese director’s films, will be presented at UCLA’s James Bridges Theater on Oct. 29 and Nov. 1. The program begins Oct. 29 at 7:30 p.m. with “Bad Boys” (“Furyo Shonen,” 1961), Hani’s first feature film about young delinquents in a reform school followed by “Children Hand in Hand” (“Te O Tsunagu Kora”) and a short documentary “Children in the Classroom” (“Kyoshitsu No Kodomatachi”). The series concludes on Nov. 1 at 7 p.m. with “The Inferno of First Love” and two more films. General admission, $6; students, seniors, $4. (310) 206-FILM.

* Theater. The West Coast premiere of Martin McDonagh’s acclaimed Irish comedy “The Cripple of Inishmaan” opens Oct. 28 at the Geffen Playhouse, 10886 Le Conte Ave., Westwood. Tuesdays-Thursdays, 7 p.m.; Fridays, 8 p.m.; Saturdays, 4 and 8:30 p.m.; Sundays, 2 and 7 p.m. Also Nov. 11, 2 p.m.; matinee only, Nov. 15. Ends Nov. 22. $30-$40; Nov. 11, $25-$40. (310) 208-5454.

* Family. “Icee Bear” and “Chimpy” will greet guests arriving at the Los Angeles Zoo during “Boo at the Zoo,” Halloween celebration Oct. 31 and Nov. 1 from 10 a.m. to 4 p.m. Festivities include mask-making, safe treats and entertainment by the Jokesters and jugglers Terrell and Takako Hayes. Griffith Park at the junction of the Ventura and Golden State freeways. Adults, $8.25; children, 2-12, $3.25. Visitors in costume will receive a $1 discount. (323) 644-6400.