Five Things You Need To Know This Weekend: August 20 and 21

1. The Charles River School will be having their Festival Day on Saturday at 12:00 p.m.

2. At the on Saturday night the band Brogue will be performing from 9:00 p.m. to 12:00 a.m.

3. On Powisset Farm this weekend you can get your hands dirty helping to plant, weed, and harvest as part of their Friends in the Fields on Sunday from 1:30 p.m. to 4:30 p.m.

4. In the market for a home? Check out these open house listings in Dover and Sherborn.

5. The D-S Boosters are beginning to speak with business sponsors for their 2011 triathlon. Business sponsors get exposure to over 1000 families from many surrounding towns and states. If you own a business, work for a business or know of a business that would like to participate as a triathlon sponsor contact Frank Perlmutter at fperlmutter@gmail.com.