01. Lassie at the Grand Canyon
Ruth and Timmy, visiting the Grand Canyon, befriend a blind pianist with a unique outlook on life who helps Timmy after he is angered by Lassie's behavior when she follows him on a mule ride and he's forced to turn back.
02. The Bloodhound
Timmy and Lassie discover the sad truth about Relentless, Cully's new--and much bragged about--dog: he's lost his sense of smell. The truth might have remained secret had not the money earned in a church fundraising drive gone missing.
03. The Mysterious Intruder
The Gardners, the Martins' new neighbors, accuse Lassie of killing their cat and attacking their sheep, but Lassie knows there's a strange collie in the area.
04. The Badger Game
No details
05. The Outlaw
No details
06. The Winner
No details
07. Heat Wave
No details
08. The Deer
No details
09. Lassie Adopts the Fire Chief
When the fire chief's Dalmatian is killed at a fire, Timmy loans Lassie to the chief for during the day but Lassie becomes enthralled with the fire engine and fire chasing to the extent she ignores Timmy.
10. The Pied Piper
No details
11. Joey
No details
12. Lassie's Wild Baby
No details
13. The Dognappers
No details
14. The Dove
No details
15. Yochim's Christmas
No details
16. The Parrot
No details
17. Lassie's Protege
Lassie, lonely when Timmy returns to school after a vacation, befriends a raccoon. She is devistated when the raccoon, whom Timmy named Melonhead, is run over by young drag racer Johnny Sexton.
18. The Black Sheep
No details
19. The Partnership
No details
20. The Hike
No details
21. Bird of Prey
No details
22. Casey
No details
23. The Odyssey I
No details
24. The Odyssey II
No details
25. The Odyssey III
No details
26. Double Trouble
No details
27. Eager Beaver
No details
28. Lassie and the Eagle
No details
29. The Vindication of Relentless
No details
30. The Unwanted
No details
31. The Musher
No details
32. Lassie's Good Deed
No details
33. Sanctuary
No details
34. Lassie and the Calf
No details
35. Elephant Sitters
No details
36. Lassie and the Tiger
No details