Groundhog Day has been celebrated for 130 years as groundhog Punxsutawney Phil each year predicts the end of winter. The date of Phil's prognostication has been celebrated since 1886 and this month A Groundhog Day Story will take Animal Planet viewers on a journey to reveal the history and legend of Phil and those who protect him throughout the year. A Groundhog Day Story premieres on Groundhog Day, Thursday, Feb. 2 at 10 PM. And at 11 PM, again at 12 AM, at 1 AM, at 2 AM…it's Groundhog Day!