Season guide
Lassie: Season 11
33 episodes
Premiered Sep 5, 1964 Updated Sep 25, 2026
Previously on Lassie
Season 11 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 10.
- 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 11 Episodes
Episode Guide
🛡️ SPOILER SHIELD
Season 11 Progress Shield
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S11·E30
Core
Runaround
Apr 11, 1965
Lassie finds a mischievous chimpanzee named Debbie and takes her to the ranger station where she ruins the newly-cleaned station and creates havoc outside. Lassie gets some help fr
S11·E31
Core
Long Ears
Apr 28, 1965
Dusty, a lead pack mule, is being retired but he doesn't want retirement. Instead, he breaks away and follows his pack team with Lassie close behind him. His persistence convinces