Season guide
Lassie: Season 10
29 episodes
Premiered Sep 28, 1963 Updated Sep 25, 2026
Previously on Lassie
Season 10 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 9.
- 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 10 Episodes
Episode Guide
🛡️ SPOILER SHIELD
Season 10 Progress Shield
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S10·E16
Core
A Challenge for Lassie
Jan 19, 1964
To help with the Martin's financial bind, Timmy hitches a ride to a distant town to enter canine field trials to win the prize money for which he must put up Lassie for the unexpec