THE PIG SHOW | If you haven’t seen the stagework done by the Children’s Museum and Theatre of Maine, you’re in for a treat. Directed by some accomplished local dramatists, this ensemble of actors aged 6-17 open the E.B. White classic CHARLOTTE’S WEB this week, playing at 1:30 and 4 pm today and through July 28. Their shows have been known to stir the emotions of some of the most hard-bitten theater practitioners in town. $9 at 142 Free St. 207.828.1234.