E1 - Challenge of the Cheetah - Part 1
!Sep 13, 1970 - 24m
Marlin and Stan are in Botswana in southern Africa catching wild cheetahs as part of a conservation project conducted by the University of Pretoria and the National Parks System of South Africa.
E2 - Challenge of the Cheetah - Part 2
!Sep 20, 1970 - 24m
Two of the big cats captured in Part I are transported to a compound near Kruger and fitted with identification collars and radio transmitters to aid in studying their movements and habits.
E3 - Netting a Jaguar
!Oct 11, 1970 - 24m
Marlin and Stan help capture and relocate a jaguar that threatens livestock.
E4 - Chase of the Caribou
!Nov 1, 1970 - 24m
Marlin and Stan have captured wild animals in just about every way possible but perhaps the most unusual capture of all takes place in the deep snow of the far north, in pursuit of caribou.
E5 - Day at Bobcat Bayou
!Nov 22, 1970 - 24m
At a bayou in the northern part of Florida, a young bobcat awakens after sunrise and emerges from his den to begin his hunt.
E6 - M'Bogo Safari
!Dec 20, 1970 - 24m
Marlin and Stan challenges the buffalo, "M'Bogo" as the natives call him, as they take part in an unusual research project.
E7 - The Secret of Rock Ridge
!Jan 3, 1971 - 24m
On a high mountain ridge in the Canadian Rockies we witness the confrontation as predator and prey meet at Rock Ridge.
E8 - Lions Under the Net
!Jan 17, 1971 - 24m
Marlin and Stan plan to join rangers in Rhodesia in using the new system, the cannon net, in capturing lions.
E9 - Voyage to the Great Barrier Reef
!Jan 31, 1971 - 24m
Marlin and Tom Allen join a voyage planned by Marineland of Australia to the Great Barrier Reef, one of the world's natural wonders.
E10 - Exploring the Great Barrier Reef
!Feb 7, 1971 - 24m
Marlin and Tom Allen explore a giant coral head that juts up from the ocean floor. It is a center of underwater life.
E11 - Roundup on the Outback
!Feb 21, 1971 - 24m
Marlin and Stan travel to Goodparla in Australia to take part in a roundup of water buffalo.
E12 - Trail of the Moose
!Mar 14, 1971 - 24m
The Agassiz National Wildlife Refuge, northwestern Minnesota, is ideal moose country. Marlin and Stan undertake a study of these big animals.
E13 - Return of the Sea Cows
!Mar 21, 1971 - 24m
As the sea cows leave the ocean and swim up the Crystal River in Florida to their breeding grounds, Marlin and Jim help rescue the stranded animals.
