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Season guide

Lassie: Season 4

40 episodes Premiered Sep 7, 1957 Updated Sep 25, 2026
Previously on Lassie

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Lassie Season 3.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

Time Saved 0.8h Skipping 1 filler episode
8%
90%
Mytharc (3): Crucial lore & season climaxes
Core (36): Character development & subplots
Side Quest (1): Standalone / filler
S4·E1 Mytharc

The Runaway

Sep 8, 1957

Lassie discovers a small, waiflike boy hiding in the barn, but the child won't talk. The Millers soon find out he's Timmy, an orphan living in Olive Branch with his elderly relativ

S4·E2 Core

The Suit

Sep 15, 1957

Timmy is so excited about his new suit that Ellen allows him to wear it until Jeff gets home, but when he tears it, afraid they will send him back to his aunt and uncle, Timmy lies

S4·E3 Core

Graduation

Sep 22, 1957

Jeff is thrilled to accept a summer job at Doc Weaver's office, but when he neglects his duty for a few minutes, a potentially rabid dog is let loose

S4·E4 Core

The Burro

Sep 29, 1957

When Timmy and Lassie find a sick burro, abandoned by neglectful but well-meaning owners, everyone thinks Timmy's exaggerating until Ellen finds the creature. Timmy's faith and the

S4·E5 Core

The Berry Pickers

Oct 6, 1957

With Jeff at the dentist, Timmy and Gramps go out to pick huckleberries for pies for the church supper. Timmy thinks Gramps is ill when he naps after berrying, but it's Timmy who m

S4·E6 Core

The Raccoon

Oct 13, 1957

Timmy and Jeff nurse an injured raccoon against protests from Gramps--and ""Sam"" repays them by wreaking havoc in kitchen, barn, and chicken coop. Released to the wild, he returns

S4·E7 Core

The Ballerina

Oct 20, 1957

Jeff tries every way he can to avoid meeting Debbie, the daughter of Ellen's visiting college roommate Lucy Hopkins--until he sees her dance and is smitten. But when Porky lampoons

S4·E8 Core

The Elephant

Oct 27, 1957

Jeff and Timmy saw a huge elephant. Ellen & Gramps doesn't want it as an 2nd Pet for Lassie. They decided to keep it until the animal control person comes by and wanted to get rid

S4·E10 Core

Happy

Nov 10, 1957

S4·E14 Core

Timmy's Family

Dec 8, 1957

Timmy believes he and Lassie are unloved and unwanted by the Martins, and sends Lassie to the Millers in Capitol City. Ellen Miller, knowing that Timmy is mistaken, returns to the

S4·E15 Core

The Bike

Dec 15, 1957

Timmy borrows a bike to learn to ride, but when the bike is stolen, he must replace the stolen one with his new bicycle. The situation is resolved when Lassie plays detective to hu

S4·E18 Filler

The Crisis

Jan 5, 1958

Paul, Timmy, and Lassie are stranded on a deserted road when Paul realizes Timmy is becoming seriously ill. Lassie must risk her life to bring help to the sick child.

S4·E19 Core

The Business

Jan 12, 1958

When Timmy and Scott launch a bait-worm selling business, their only potential customer refuses to buy anything. He changes his mind, however, when Lassie saves him from drowning.

S4·E20 Core

The Ring

Jan 19, 1958

Timmy believes one of Uncle Petrie's tall tales and is hurt to discover he has been lied to. A gift of a friendship ring, crafted by Uncle Petrie himself, mends their relationship.

S4·E23 Core

The Pony

Feb 9, 1958

Timmy comes running home with a story about a rabbit-sized pony--but no one believes him.

S4·E24 Core

Sinbad

Feb 16, 1958

To replace Uncle Petrie broken guitar Timmy enters a borrowed parrot in a contest to win the prize of a new guitar.

S4·E25 Core

The Square Dance

Feb 23, 1958

Timmy refuses to attend the Grange Square Dance out of fear that he will have to dance with a girl. After Uncle Petrie reassures him this will not happen, he relents. To everyone's

S4·E26 Core

The Garden

Mar 3, 1958

A drought is hitting the area pretty hard, and Timmy desperately attempts to keep his own small garden from perishing.

S4·E27 Core

Concussion

Mar 9, 1958

When Timmy insists on going to a blasting site despite Lassie's protests, she is struck on the head by a dynamite-propelled rock and appears to not know who she is. Then she wander

S4·E28 Core

The Hungry Deer

Mar 16, 1958

Members of the community band together to hunt down deer driven to eat their crops, but Timmy and Scott fight to do something that doesn't involve killing them.

S4·E29 Core

The Hospital

Mar 23, 1958

Timmy is stricken with severe stomach cramps and keeps calling out for Lassie.

S4·E30 Core

The Penguin

Mar 30, 1958

A crate holding a penguin enroute to the Capitol City zoo falls off its truck, and Timmy and Scott adopt the creature

S4·E31 Core

The Bird House

Apr 6, 1958

Timmy tends an injured sparrow.

S4·E32 Core

Seeing Eye Dog

Apr 13, 1958

When Lassie finds an injured seeing-eye dog, the family searches in vain for the dog's owner. The situation appears hopeless until Lassie leads them to the dog's missing collar, an

S4·E33 Core

Junior Firemen

Apr 20, 1958

Timmy becomes overzealous in his efforts to spot fire hazards to win a contest.

S4·E34 Core

The Blanket

Apr 27, 1958

Ruth tries to replace Lassie's disreputable old blanket with a new one, but Lassie will have none of it.

S4·E35 Core

The Rabbits

May 4, 1958

Timmy's new rabbits take precedence over Lassie.

S4·E36 Core

The Cub Scout

May 11, 1958

Scott's city cousins make fun of Timmy and Scott's interest in the Cub Scouts

S4·E37 Core

The Crow

May 18, 1958

Timmy's ""patient,"" an injured crow he names ""Peck,"" recovers to become a farm pest.

S4·E38 Core

The Mother

May 25, 1958

On the sly, Lassie tends some orphaned puppies.

S4·E39 Mytharc

The House Guest

Jun 1, 1958

Timmy becomes annoyed with a house guest of Ruth when all she can talk about is all the finer things Ruth is missing by living on a farm.

S4·E40 Mytharc

The Sermon

Jun 8, 1958

Inspired by Uncle Petrie's tale of a boy who talks to the animals, Timmy sets out to befriend animals himself. But he helps some people along the way and it is their friendship and

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