It's almost Friday...time to start thinking about the weekend. Locally, there are plenty of options within driving distance for some weekend fun. ANNUAL PLAINVILLE PTO FUN FAIR Where/When: 68 Messenger St, Plainville, MA (Jackson School); Saturday, March 26, 10 a.m. to 2 p.m. What is it? All are invited to have a day of fun at the annual Plainville PTO Fun Fair. This event will feature carnival-style games, make your own crafts, food, friendly competition and raffles. “THE KING AND I” Where/When: The Paris Cabaret, 49 Monk St., Stoughton; March 26, 27, April 1, 2 and 3. Evening shows (…