Boog, a domesticated 900lb. Grizzly bear, finds himself stranded in the woods 3 days before Open Season. Forced to rely on Elliot, a fast-talking mule deer, the two form an unlikely friendship and must quickly rally other forest animals if they are to form a rag-tag army against the hunters.
A high-school girl named Makoto acquires the power to travel back in time, and decides to use it for her own personal benefits. Little does she know that she is affecting the lives of others just as much as she is her own.