Lassie (Season 12)

Lassie Meets a Challenge (Episode 1)

Air date: 1965-09-12

Sudden Fury (Episode 2) 6.0

Air date: 1965-09-19

Lassie and the Dynamite (Episode 3) 6.0

Air date: 1965-09-26

Lassie and the Seagull (Episode 4) 6.0

Air date: 1965-10-03

Charlie Banana (Episode 5) 6.0

Air date: 1965-10-10

In the Eyes of Lassie (Episode 6)

Writer: James Douglass West

Air date: 1965-10-17

Trouble at Paradise Lake (Episode 7)

Air date: 1965-10-24

Little Dog Lost (Episode 8) 6.0

Air date: 1965-10-31

Lassie's Time of Peril (Episode 9)

Air date: 1965-11-07

Overview: 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.

In the Midst of Splendor (Episode 10) 6.0

Air date: 1965-11-14

Lassie Saves a Life (Episode 11)

Air date: 1965-11-21

The Waif (Episode 12)

Air date: 1965-11-28

Crisis (Episode 13)

Air date: 1965-12-05

Pitfall (Episode 14)

Air date: 1965-12-12

Temper the Wind (Episode 15)

Air date: 1965-12-19

The Gift of Life (Episode 16)

Air date: 1965-12-26

Lassie Catches the Poachers (Episode 17)

Air date: 1966-01-02

The Town That Wouldn't Die (Episode 18)

Air date: 1966-01-16

Just One Old Cow (Episode 19)

Air date: 1966-01-23

The Outcast (Episode 20)

Air date: 1966-01-30

Cradle of the Deep (Episode 21)

Air date: 1966-02-06

The Homesick Hound (Episode 22)

Air date: 1966-02-13

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

The Silent Threat (Episode 23)

Air date: 1966-02-20

Overview: 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.

The Friendless (Episode 24)

Air date: 1966-02-27

Avalanche (Episode 25)

Writer: Eric Freiwald

Air date: 1966-03-06

Babes in the Woods (Episode 26)

Air date: 1966-03-13

Lassie's Rescue Mission (Episode 27)

Air date: 1966-03-20

The Doll (Episode 28)

Air date: 1966-03-27

The Untamed Land (Episode 29)

Writer: Eric Freiwald

Air date: 1966-04-03

The Day the Mountain Shook (Episode 30)

Writer: Eric Freiwald

Air date: 1966-04-17

The Vigil (Episode 31)

Air date: 1966-04-24

The Strongest Instinct (Episode 32)

Air date: 1966-05-01