The Mad Dog
While Paul is away, Ruth and Timmy care for a stray dog that Timmy names Duke. But after being involved in a fight, Duke suddenly shows all the signs of rabies.
More from Season 7
Episode 1
Blacktail
Jerry, the lame boy who adopted Lassie's son Blacktail, and his dog visit the farm, when the Martins find out Jerry can walk without his brace, but is afraid to try.
Episode 2
The Wallaby
Something's raided the family strawberry patch, but the large mysterious tracks puzzle everyone until Timmy catches a glimpse of the animal, describing it as a ""giant rabbit."" In reality it's a wallaby named Pancho--who poses a danger to Lassie!
Episode 3
Cully's New Pet
Cully tells Timmy no animal is all bad, so Timmy befriends a skunk, but no one, not even Lassie, will come near his new friend.
Episode 4
The Rescue
Timmy is trapped on a ledge while chasing a strayed ewe that has just given birth and Ruth desperately tries to get the attention of a nearby helicopter pilot reseeding the hills.
Episode 5
Feathered Menace
Ruth agrees to babysit Betty Wilder's infant twins, but the young mother arrives early and reluctantly leaves Timmy and Lassie to care for the babies until Ruth returns from an errand. Timmy thinks it will be a cinch--until a marauding hawk chases a frightened pigeon into the bedroom where the babies are sleeping.
Episode 6
The Gentle Tiger
Timmy learns a lesson in obedience when he takes a job as water boy at a traveling carnival. He disregards an order, inadvertently allowing a tiger to escape from its cage.
