Guard Dog (2004) is a Animation, Comedy film that follows why do dogs bark at such innocent creatures as pigeons and squirrels... what are they afraid of? This film answers that eternal question. Guard Dog is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.2 out of 10 from 29 votes. Fans of animation movies may also want to explore similar titles below.