Air date: 1972-09-16

Runtime: min

Garth's brother Keith is met with resentment when he takes over running the ranch, but he proves his mettle when a storm strikes the ranch and starts a fire that traps Lassie in the woods.

Air date: 1972-09-23

Runtime: min

Garth's brother Keith is met with resentment when he takes over running the ranch, but he proves his mettle when a storm strikes the ranch and starts a fire that traps Lassie in the woods.

Air date: 1972-09-30

Runtime: min

Karl Burkholz and the ""scout"" for a migrating flock of doves become friends when Karl nurses the injured bird.

Air date: 1972-10-14

Runtime: min

Lassie pursues a colt that escapes from the Baker ranch. (Elaine Baker seems to have problems keeping her livestock in check! Later in the season she loses a calf.

Air date: 1972-10-21

Runtime: min

A crow that snatches Mike's wallet leaves the boy angry and determined to find the animal.

Air date: 1972-10-28

Runtime: min

A small deaf boy is found wandering the grounds of the ranch and Lucy, communicating with him in sign language, discovers he feels no one wants him.

Air date: 1972-11-04

Runtime: min

Deprived of the dog the Holdens have given him, the boy flees.

Air date: 1972-11-11

Runtime: min

Deprived of the dog the Holdens have given him, the boy flees.

Air date: 1972-11-18

Runtime: min

Lassie must rescue three kittens from the incoming tide.

Air date: 1972-11-25

Runtime: min

Lassie befriends a racehorse so nervous that he can't complete a race.

Air date: 1972-12-02

Runtime: min

A runaway inner-city orphan is taken in at the ranch, but is distrustful of everyone.

Air date: 1972-12-09

Runtime: min

Joey runs away when he finds out he has to leave the ranch.

Air date: 1972-12-16

Runtime: min

The Holdens are afraid Karl will not survive after a heart attack robs his will to live.

Air date: 1973-01-06

Runtime: min

While out in her own, Lassie's foot is severely damaged when caught in an illegal trap. She comes under the care of a reclusive Native American healer while Dale and Keith mount a search for their beloved animal friend.

Air date: 1973-01-13

Runtime: min

Lassie alerts Willy to a dog floating down the stream and together they rescue the stray. At first the dog is fearful of country life but Lassie teaches the little animal which becomes important when a tree traps the collie.

Air date: 1973-01-24

Runtime: min

Air date: 1973-02-03

Runtime: min

Dale, riding Midnight and accompanied by Lassie, is injured when he falls from the horse.

Air date: 1973-02-10

Runtime: min

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

Air date: 1973-02-17

Runtime: min

Lassie's determined to retrieve the puppy stolen from the Holden barn by a coyote.

Air date: 1973-02-24

Runtime: min

Keith accompanies Lucy and Elaine into the city for tests with Lassie going along. Lucy turns out to be a candidate for surgery to restore her hearing but during the operation Lassie wanders off.

Air date: 1973-03-03

Runtime: min

Lassie, after accompanying Keith to the big city for Lucy's hearing operation, gets lost. Keith looks for her as Lassie wanders the city, taking in a kid's baseball game, the ocean but then enters an army firing range.

Air date: 1973-03-10

Runtime: min

Lassie continues her journey home, getting a fish hook in her paw before being helped by Jim and his surfer friend. Accepting a ride north with his two new pals he nears the Holden Ranch. Lucy finds out if her hearing operation was a success.

Air date: 1973-03-17

Runtime: min

Lassie, after a narrow escape on a firing range, befriends two young men who have been camping at the beach in their van. While they tend the injured collie, Lucy, now returned home, prays for two miracles: that her hearing -- and Lassie -- will return.

Air date: 1973-03-24

Runtime: min

Lucy trades lessons in ""home"" to an attractive young drifter who gives her guitar lessons in return.