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E1 The Storm
Timmy and Boomer try to teach Boomer's new dog Mike, a distant little terrier, farm ways, but he seems unable to learn.
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E2 Wishing
Uncle Petrie allows Timmy to ride a pony at a pony-ride concession, and Timmy falls in love with the animal--so Lassie sneaks out in the night and brings ""Star"" home.
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E3 The Teacher
Timmy and his classmates adore their teacher Miss Hazlit, and when they find out she may have to leave because of budget constraints, they try to earn the money to keep her on. But the money is lost on their way to speak to the school board.
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E4 The Owl
Timmy and Boomer are so desperate to be useful that Ruth entrusts a fresh egg delivery to the boys, but they're sidetracked by an aggressive barn ow1 after they try to replace two broken eggs.
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E5 The Crash
Timmy and Boomer run to see a plane crash and don't know what to do when they find the injured pilot in the wreckage.
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E6 The Rocking Chair
Lassie falls in love with a rocking chair destined for donation to a benefit sale, and when it's sold, she determines to do something to get it back.
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E7 Fish Out of Water
Timmy brings home a rainbow trout with plans to keep it as a pet, but the idea engenders all sorts of obstacles.
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E8 Trapped
When Timmy and Boomer discover there will be girls at the Halloween party they are looking forward to, they go out hunting for foxfire to smear on their faces so girls won't kiss them and are trapped in an abandoned house.
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E9 Our Gal
Paul's expensive new sow ""Our Gal"" turns out to have an unfortunate predeliction zfor running away, even through reinforced fencing, and after she has a litter of piglets.
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E10 Lassie's Decision
Timmy's plan to help his new friend Henry, who is afraid of dogs, backfires when Henry mistakes Lassie's extra attention as love for him and believes she wants to stay with him.
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E11 The Egret
On a bird-watching expedition for school, Timmy sees a rare snowy egret, but no one will believe him. Finally a professor is dispatched to see if his report is true.
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E12 The Archers
After bow hunters shoot a bear cub, then leave it in the forest to die, the Martins try to save the animal.
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E13 The Bundle from Britain
Boomer is jealous when Timmy seems to prefer the company of his English visitor, Robin, and his little Cairn terrier Basil, so he and a classmate make fun of Robin's short pants and school tie
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E14 The Black Woods
Having seen sugar maples while taking Timmy on a nature hike, Uncle Petrie returns to the woods to investigate--and runs into two men holding bank president Robert Hanson hostage. Remembering that he taught Timmy smoke signals on their hike, he makes a desperate gamble while helping one of the criminals make a fire.
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E15 The Raffle
Tongues wag in the neighborhood after Lassie picks Ruth's ticket as a winner in a raffle for a piano--but the real loser is Timmy, who's forced to take lessons
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E16 The Christmas Story
Several days before Christmas, Lassie is struck by a truck while saving a three-year-old girl and so seriously injured she needs a special veterinarian to operate on her
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E17 The Lady Bugs
Timmy and Boomer want to be partners in a business, and, learning Paul is planning to spend $10 on ladybugs to help fight aphids in his apple orchard, are determined to find a cache of them Lassie discovered earlier. But the collie wants nothing to do with the itchy pests
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E18 Junior GI's
The Army is conducting war games near the farm, and excited Timmy, Boomer, and their friends plan their own maneuvers. But it's no game when scout Timmy and his ""war dog"" Lassie wander into a live mine field!
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E19 The Big Cat
Ruth, taking a woods shortcut on her way to a Grange supper and having to replace a flat tire, is caught in a trap set by a state hunter to catch a marauding cougar.
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E20 The Tree
For a club project, Timmy and Boomer adopt a tree that was supposedly planted by Johnny Appleseed, then discover it is sleighted to be cut down to make way for a highway, so Timmy writes a letter to the President of the United States.
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E21 Timmy,The Oil Millionaire
When Lassie keeps coming home with greasy muck on her legs, Timmy and Boomer investigate, and discover a pool of oil on their property. But Uncle Petrie's investigation of the pool proves to be his undoing.
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E22 Beholden
Asa Winkler, a conniving handyman, claims Lassie bit him and tore his pants to obtain odd jobs at the Martins--and arranges other ""accidents"" to stay on.
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E23 Tartan Queen
A breeder says Lassie may be descended from a famous show dog and urges Timmy not to let her run wild, so she must sit on the sidelines while Boomer's terrier Mike has all the fun.
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E24 The Horse Show
Timmy, disappointed that there are no contests in the county fair a small boy can participate in, enters his burro Lucky in a farm horse event.
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E25 The Cat That Came to Dinner
The Martins adopt a cat they find half-drowned outside the house, but the conniving cat, dubbed ""Marmalade"" by Timmy because of his color, immediately starts getting Lassie into trouble.
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E26 The Bonnet
Knowing Ruth hasn't had a new hat in four years, Paul buys her a lovely spring hat he discovers she was longing for, but Timmy and Lassie inadvertently ruin it while playing.
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E27 The Puppy Story
Timmy and Boomer are heartbroken when they find out Lassie's puppies are to be sold, so Lassie hides them in an old pen in the woods. But the mischevious babies get free.
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E28 The Young Flyers
The entire family pitches in to help Timmy win in his Cub Scout troop's kite-flying contest, especially after the original kite is lost.
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E29 The Watch Dog
Lassie, staying at a neighbor's house while the family as at the county fair, is blamed for the damage done by Chipper, a chimpanzee being nursed by Mrs. Collins.
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E30 The Puppet
Lassie falls in love with Suzy, a canine hand puppet manipulated by a down-on-his-luck ventriloquist.
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E31 Rock Hound
Timmy and Boomer are convinced that their new neighbor is a bank robber.
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E32 The Charm
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E33 Teamwork
Timmy and Boomer heartily disagree over the methods and tasks involved in the construction of a lean to but learn to work together when the boys and Lassie must rescue Boomer's visiting cousin Millicent from a cave ledge.
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E34 Stable Mates
Lassie befriends a stray dog and finds a rambunctious runaway show horse which, after Lassie trains the stray dog to be a stable mate, becomes more calm.
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E35 The Camera
While helping Timmy get pictures for a photo contest Paul and Uncle Petrie comes across a uncooperative man hunting pheasants on the Martin property.
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E36 Peace Patrol
Timmy wants his school to participate in The Lone Ranger Peace Patrol program encouraging children to save their money to buy saving bonds to support the United States.
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E37 Swami
At the church carnival Timmy and Boomer dresses Lassie as a fortune teller but it does not goes as they planned.
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E38 Campout
An unprepared city boy who has after a quarrel run away from his uncle with whom he is visiting leads Timmy and Boomer who are camping out in the Martin barn into danger in the woods.
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E39 Lassie's Guest
When Boomer goes on an overnight visit, Mike who has been left in Timmy's care becomes shut in the trunk of the Martin's car while chasing his ball and taken to a garage where a fire starts.