Bonanza S05 E27 The Roper

"America's Favorite TV Western"

Will is having second thoughts about staying on at the Ponderosa, and outlaws hit the ranch and take him with them. The leader, Lee Hewitt, is a young killer and plans on robbing the Ponderosa, so Will must take action to save himself, Hewitt's wife, the doctor, and his newfound relatives, the Cartwrights.