Watch Free Online HD Moviesjoy. Go behind the scenes of the Tarzan Zerbini Circus, one of the last family-owned circus shows in America. As this high-flying documentary demonstrates, thrills, spills and lots of hard labor are all in a day's work for these dedicated performers. Following the troupe over its seven-month North American tour in 1996, the film provides an intimate look at the performers, workers and animals that keep the big top standing.