The Animal House in Damariscotta will be hosting events all weekend to celebrate Halloween with your pet. On Saturday, Oct. 29, there will be a scavenger hunt for dogs to hunt for prizes. On Sunday, Oct. 30, there will be a pet costume contest. The winner will receive a gift certificate to The Animal House. On Halloween, all customers receive a free goodie bag for their dog or cat, plus a raffle ticket for a basket of chocolates and treats for people, free with any purchase.