Garth's brother Keith takes over the management of the ranch while Garth is abroad. Keith is met with resentment from the boys but he proves himself a capable man when a storm strikes the ranch and starts a fire that traps Lassie in the woods.

Karl Burkholm, the baker tends an injured migrating dove.

A colt escapes from Elaine Baker's ranch.

A crow snatches Mike Bishop's wallet.

A deaf boy wanders about the ranch. Communicating through sign language, Lucy discovers he feels no one wants him.

Upset when deprived of the dog the Holdens gave him, the deaf boy flees the ranch.

Lassie rescues three kittens from the sea.

Lassie aids a pair of golden eagles.

Lassie meets a nervous racehorse.

Lucy brings a runaway boy named Joey to the Holden Ranch. Joey has difficulty learning the ways of the ranch.

Joey believes he will be sent to an institution and runs away from the ranch. Keith, Dale, Ron, and Lucy set off after him with Lassie trailing his scent but the dog looses him. The Civil Air Patrol joins the search.

Karl Burkholm has a heart attack. The Holdens are concerned that Karl will loose his will to live.

A Chicano man wants a piece of land he can call his own.

An Indian and his pet birds save Lassie from a trap.

A city dog learns country ways from Lassie.

Dale is injured when he falls from his horse Midnight.

*** Lassie and Midnight go for help when Dale cannot move.

A coyote steals a puppy from the Holden barn.

Two bumbling thieves try to steal Midnight.

A surgeon believes Lucy's hearing can be restored. Keith and Lassie accompany Lucy and her mother to Los Angeles for Lucy's operation.

In Los Angeles, Lassie is chased from the hospital where Lucy is undergoing surgery. Lassie wanders the streets. Keith searches for her and Elaine wonders what to tell Lucy.

At home after her operation, Lucy prays that her hearing -- and Lassie -- will return.

Lucy meets an attractive drifter who gives her guitar lessons.

Lassie tracks down the Baker calf which is loose and being stalked by predators.