The beloved collie finds further adventure in California. In the opener, Uncle Steve (Jon Provost- who played Timmy in the original series) is shot while walking in the woods with Lassie. The culprit is a deer hunter out of season who proceeds to blame Lassie for a false bite so the dog can't lead to Steve's whereabouts.
Frightened and alone in the city, Lassie meets a young boy, Mike (Chance Corbitt) who shares her predicament.
Lassie brings a stray dog home to the McCulloughs.
Lassie is trapped in a hot car while Will is on the soccer field trying to impress the coach and a young lady (Katie Jane Johnson)
When Megan becomes ill after swimming in a polluted lake, Chris sets out to investigate the source of the contamination.
Will's friend Wayne (Gabriel Damon) is determined to play a prank on an elderly neighbor the night before Halloween.
A woman from Steve's past claims Lassie. June Lockhart of the original ""Lassie"" series appears as the collie's former owner, who comes looking for her pet and finds her long lost son. This episode reveals the way the McCulloughs got Lassie, when as a puppy, Steve had pulled her out of a burning car
When a councilwoman (Patricia McCormack) tries to remove Tinker, a miniature horse from the neighborhood, Megan, Will and Lassie dig into the case.
An autistic boy (Gregor Hesse) finds an enthusiastic friend in Lassie.
Eager to raise money for a new racing bike, Will decides to sell one of the puppies that Lassie is expecting.
Mr. Shepherd, a mysterious magician (Tony Jay) fails to impress Megan with hocus-pocus until his performance at a benefit show
Will joins his friend Arnie (Joah Williams) in a prank that closes the school for the day, freeing the boys to get into more trouble.
An unexpected houseguest (Roddy McDowall) who evidently dislikes children and animals upsets Dee and Will until they discover who he really is.
After a troubling phone call, Dee and Lassie head for the lake, where they get trapped in an old cabin.
Will accepts a challenge to tackle a maze set up by a practical joker (Chris Demetral), unaware of the danger ahead.
Megan helps the victim of a motorcycle accident, unaware that the crash has broken a gas line to the house.
When Uncle Steve takes Will and Megan gliding, they learn that hanging out with him can be dangerous.
An old family photo sends the McCulloughs to a ghost town on a quest for hidden treasure, but a modern day outlaw is hiding there as well.
Lassie discovers buried Indian treasure and some thieves track her down.
Will, Megan and Lassie play ball at Chris's latest construction site- a field scattered with live artillery shells.
When burglars strike the McCullough household, Lassie runs off to sound the alarm.
Will, Lassie, a local merchant and a rattlesnake are trapped in the man's store.
Fallen power lines electrify a fence. A loose electrical wire turns a metal fence by Will's baseball field into a high voltage hazard.
Will and Lassie meet a disabled boy (Anthony Jacobsen) during basketball practice who has a crush on Megan.
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