Playtime! Dog parks can be a fun place for your pets to burn off excess energy and meet new friends. Although, there are a few things to keep in mind when considering this trip. Waiting for your new puppy to be fully vaccinated is very important due to contagious diseases. Before releasing your dog, walk around so they can familiarize themselves and meet others safely. Make sure your pet is on heart-worm prevention because that will protect them from intestinal parasites too.