Watership Down - Season 2 Episode 8 -

It's been snowing, and the grass has turned white. The rabbits plan on having a big feast, but with no food Hazel, Bigwig, Hawkbit, Dandelion, Fiver and Kehaar set off to find some. They become lost, and encounter danger with a fox and ice. A rabbit named Buttercup comes along and allows the rabbits to say at her warren, right near man.