Stand-Up Comedy and Improv Skills for Teens, Oct. 2-Nov. 6, 4-6 p.m., Ridgefield Playhouse, 80 East Ridge Rd., Ridgefield. Comedy Series artistic director, Christine O’Leary will teach, demonstrate and coach all basic comedy principles as well as introductory improvisation skills to young people, ages 12-17. Graduation showcase: Nov. 13, 6 p.m. No class Oct. 23. Cost: $350. Info/Registration: 203-438-5795, ridgefieldplayhouse.org.