Air date: 1965-09-12

Runtime: min

Air date: 1965-09-19

Runtime: min

Air date: 1965-09-26

Runtime: min

In an area being developed for swimming and fishing, two youngsters playing hooky wander into the blasting zone. Lassie is able to bring help and rescue the boys.

Air date: 1965-10-03

Runtime: min

Air date: 1965-10-10

Runtime: min

Air date: 1965-10-17

Runtime: min

Air date: 1965-10-24

Runtime: min

Air date: 1965-10-31

Runtime: min

Air date: 1965-11-07

Runtime: min

A flooded river threatens to sweep away a bridge construction project. Ranger Corey Stuart and Lassie brave the raging waters in a small boat to construct a log chain barrier and control the flow of water and logs.

Air date: 1965-11-14

Runtime: min

Air date: 1965-11-21

Runtime: min

Air date: 1965-11-28

Runtime: min

Air date: 1965-12-05

Runtime: min

Air date: 1965-12-12

Runtime: min

Air date: 1965-12-19

Runtime: min

Air date: 1965-12-26

Runtime: min

Air date: 1966-01-02

Runtime: min

Air date: 1966-01-16

Runtime: min

Air date: 1966-01-23

Runtime: min

Air date: 1966-01-30

Runtime: min

Air date: 1966-02-06

Runtime: min

Air date: 1966-02-13

Runtime: min

A bloodhound needs to be relocated, but he dislikes all his new abodes.

Air date: 1966-02-20

Runtime: min

Corey and another ranger battle a spruce bud worm infestation by spraying but meet resistance from a horse ranch owner. Lassie makes friends with a colt and reveals the true cause of death of one of the horses.

Air date: 1966-02-27

Runtime: min

Air date: 1966-03-06

Runtime: min

Air date: 1966-03-13

Runtime: min

Air date: 1966-03-20

Runtime: min

Air date: 1966-03-27

Runtime: min

Air date: 1966-04-03

Runtime: min

Air date: 1966-04-17

Runtime: min

Air date: 1966-04-24

Runtime: min

Air date: 1966-05-01

Runtime: min