526: The Bonnet (3/1/1959)
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.
527: The Puppy Story (3/8/1959)
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.
528: The Young Flyers (3/15/1959)
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.
John Provost (Timmy Martin), June Lockhart (Ruth Martin), Hugh Reilly (Paul Martin), George Chandler (Uncle Petrie), Todd Ferrel (Boomer Bates)
Lassie on Demonoid