The Disappearance (4)

1 Lassie and the Birdwatch 2 The Agreement 3 Lassie to the Rescue 4 Jeeper 5 A Time for Giving 6 Three Alarm 7 The Treasure (1) 8 The Treasure (2) 9 Lassie and the Winged Enemy 10 High Tension 11 Lassie's Gift of Love (1) 12 Lassie's Gift of Love (2) 13 Day of Darkness 14 Horse Thief 15 Her Master's Voice 16 A Challenge for Lassie 17 The Disappearance (1) 18 The Disappearance (2) 19 The Disappearance (3) 20 The Disappearance (4) 21 The Disappearance (5) 22 Lassie Counts Sheep 23 Lassie and the Moving Mountain 24 Lassie and the Piglets 25 Guide Dog 26 Bee Line 27 Hit and Run 28 Lassie and the Savage 29 The Samaritans