17 Sep. 1972Lightning
Ron reads a letter to the boys that Garth will remain a VISTA volunteer and his brother Keith will take charge of the ranch. This upsets the boys and Mikey takes off with Lassie. A storm related fire endangers Lassie but Keith proves himself.
24 Sep. 1972The Doves of St. Inez
Lassie and Lucy eagerly anticipate the return of the doves to the local mission. While waiting they wander the town, greeting people and then help the gardener Johann. A hawk threatens the first dove they see.
1 Oct. 1972For Those Who Follow
A storm knocks down a fence allowing a foal to wander off and injuring the mother. Lassie and Lucy leave on horseback to search for the colt followed by Ron and Dale. A tumble into a river endangers the young animal.
15 Oct. 1972Scarecrow
Crows are marauding the corn and Lassie can't fend them off herself. The boys create a scarecrow but the birds aren't impressed. One steals Mike's $3 and he falls into a water storage tower trying to get it back. Lassie must rescue him.
21 Oct. 1972A Girl and a Boy: Part 1
Lassie finds a hearing impaired boy, who cannot speak, so she lets Keith and Dale know. They bring young Lucy over to communicate with him but he won't identify himself. The boy then finds an injured dog that he bonds with.
29 Oct. 1972A Girl and a Boy (Part 2)
The mystery boy turns out to be Tommy, who is a runaway from an orphanage because Father Lavery is being transferred. The injured dog is a police dog identified by two officers who want to help. Lucy gets Tommy to open up.
4 Nov. 1972Deadly Surf
Lassie is exploring the seashore when she encounters three kittens left in a cage. They get released but Lassie must fight off a mean dog and then keep the kittens safe from the incoming tide.
11 Nov. 1972Golden Eagle
Out exploring Lassie encounters a pair of nesting eagles. When the female injures her wing, Lassie alerts Ron and Keith who try to help. Lassie and her friends devise a way to help feed the chicks without disturbing the male.
18 Nov. 1972A Taste of Freedom
Lassie befriends a high strung horse Midnight who belongs to Mr. Dobbs, a neighbor to the Holden Ranch. The stallion is being trained to race but a trip to the track ends in a mishap with Lassie on hand to help out.
25 Nov. 1972Run to Nowhere: Part 1
Lassie and Lucy meet Joey, a runaway boy, when she is out riding. Bringing him to the Holden Ranch, he learns from the other boys about cattle and other farm activities. Joey overhears Keith on the phone and takes off again.
2 Dec. 1972Run to Nowhere: Part 2
Because of the misunderstood phone call Joey runs away. After it's discovered Keith, Dale, and Ron start searching for on horseback in the rugged country. With the help of Lassie they discover Joey has fallen into a crevice.
9 Dec. 1972Vigil of the Stork
The Holdens are afraid Karl will not survive after a heart attack robs his will to live.
16 Dec. 1972Dream Builder
Dale, Keith, and Lassie encounter Julio, who wants to build his dream house in an area with no water. Willie helps Julio build a well in a likely futile exercise. Dale and Keith want to include the older man as part of the ranch family.
6 Jan. 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.
13 Jan. 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.
24 Jan. 1973Challenge of the Mountain: Part 1
Dale's new hobby is building and flying model airplanes so he is determined to retrieve one lost in a remote area. Dale leaves with Lassie and a new horse Midnight but the trip turns disastrous when a rattlesnake startles Dale near a cliff.
3 Feb. 1973Challenge of the Mountain: Part 2
Dale is severly hurt after tumbling down a cliff with only an injured Lassie by his side. Lassie struggles to make her way to Midnight, hoping the horse will know to head to the ranch and alert Keith to the situation.
10 Feb. 1973Legend of the Coyote
Lassie's stray dog friend gives birth in the Holden barn. Dale and Keith trail a coyote who takes a puppy into the mountains. They encounter two ranchers hunting coyotes as pests so Lassie teaches everyone a lesson.
17 Feb. 1973Horsenappers
Two inept crooks Harley and Frank, don't call him Francis, steal Midnight from the Holden ranch. Lassie follows them to a ghost town, leaving enough clues for Keith and Dale to find the horse thieves.
25 Feb. 1973A Joyous Sound: Part 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.
4 Mar. 1973A Joyous Sound: Part 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.
11 Mar. 1973A Joyous Sound: Part 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.
18 Mar. 1973Johnny Piper
Lucy, while hiking with Lassie, meets a traveling young Johnny who has a guitar and a dog Smokey. Her mother agrees to hire the troubled young man temporarily as he learns about life and what's important.
« Season 18 | Season 19