#1 | 09/16/1972Lightning
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.
#2 | 09/23/1972The Doves of Santa Inez
#3 | 09/30/1972For Those Who Follow
Karl Burkholz and the ""scout"" for a migrating flock of doves become friends when Karl nurses the injured bird.
#4 | 10/14/1972Scarecrow
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.
#5 | 10/21/1972A Girl and a Boy (1)
A crow that snatches Mike's wallet leaves the boy angry and determined to find the animal.
#6 | 10/28/1972A Girl and a Boy (2)
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.
#7 | 11/04/1972Deadly Surf
Deprived of the dog the Holdens have given him, the boy flees.
#8 | 11/11/1972Golden Eagle
#9 | 11/18/1972A Taste of Freedom
Lassie must rescue three kittens from the incoming tide.
#10 | 11/25/1972Run to Nowhere (1)
Lassie befriends a racehorse so nervous that he can't complete a race.
#11 | 12/02/1972Run to Nowhere (2)
A runaway inner-city orphan is taken in at the ranch, but is distrustful of everyone.
#12 | 12/09/1972Vigil of the Stork
Joey runs away when he finds out he has to leave the ranch.
#13 | 12/16/1972Dream Builder
The Holdens are afraid Karl will not survive after a heart attack robs his will to live.
#14 | 01/06/1973Tell It to the Birds
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.
#15 | 01/13/1973The Visitor
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.
#16 | 01/24/1973Challenge of the Mountain (1)
#17 | 02/03/1973Challenge of the Mountain (2)
Dale, riding Midnight and accompanied by Lassie, is injured when he falls from the horse.
#18 | 02/10/1973Legend of the Coyote
Midnight and Lassie must go for help when Dale cannot move.
#19 | 02/17/1973Horsenappers
Lassie's determined to retrieve the puppy stolen from the Holden barn by a coyote.
#20 | 02/24/1973A Joyous Sound (1)
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.
#21 | 03/03/1973A Joyous Sound (2)
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.
#22 | 03/10/1973A Joyous Sound (3)
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.
#23 | 03/17/1973Johnny Piper
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.
#24 | 03/24/1973The Dawning
Lucy trades lessons in ""home"" to an attractive young drifter who gives her guitar lessons in return.