Mutual of Omaha's Wild Kingdom.

Premiering in 1963 broadcast on prime-time from 1968-1971 and airing in syndication until 1988 the Emmy Award-winning Mutual of Omaha's Wild Kingdom was one of the longest-running and most beloved television series of all time. A pioneer of the narrative nature-documentary format the educational series followed venerable host and ecologist Marlin Perkins (later joined by Jim Fowler Peter Gros Stan Brock and Tom Allen) as he trekked to the farthest reaches of the globe to study wild animals in their natural habitats.