Watership Down (1999)

Season 1: Episode 8

Bigwig joins Efrafa and plans to help Primrose escape. Meanwhile, Hazel and the others are still stuck under the stone bridge with the Efrafan guards on top of it. They hatch a plan with Kehaar and flee towards the grounds of Efrafa. They meet Bigwig there and he tells them of his plan to free Primrose and Blackavar. After some time, they finally elude the Efrafans and make their escape on a boat, leaving Woundwort raging.