
Summer: The summer is a time of plenty, giving animals the chance to reap nature's rewards. No one knows this better than parents challenged with raising new offspring. (S1, ep 2)

Summer: The summer is a time of plenty, giving animals the chance to reap nature's rewards. No one knows this better than parents challenged with raising new offspring. (S1, ep 2)

Autumn: As autumn begins, change sweeps across America. It's make-or-break time for the animals that have their preparation put to the test before the cold sets in. (S1, ep 3)

Autumn: As autumn begins, change sweeps across America. It's make-or-break time for the animals that have their preparation put to the test before the cold sets in. (S1, ep 3)

Autumn: As autumn begins, change sweeps across America. It's make-or-break time for the animals that have their preparation put to the test before the cold sets in. (S1, ep 3)

Winter: As plunging temperatures bring nature into winter, some animals flee south to find milder climes. But others are determined to tough out the brutal cold. (S1, ep 4)

Winter: As plunging temperatures bring nature into winter, some animals flee south to find milder climes. But others are determined to tough out the brutal cold. (S1, ep 4)

Winter: As plunging temperatures bring nature into winter, some animals flee south to find milder climes. But others are determined to tough out the brutal cold. (S1, ep 4)