Wild Kingdom is the longest running animal based TV show. It's original run was 1963-1988 (25 years), then it was revived in 2002 and remains on the air today (12+ years) as of 02|2014... so a total of 37 years & counting.
Lassie
The Ostrich .
It's never become the longest running prime time series, nor will it ever earn that accolade.The Simpsons is the longest running American animated program & the longest running prime time scripted comedy & the longest running prime time American sitcom but the title of simply 'the longest running prime time series' belongs to The Hallmark Hall of Fame which has been airing for 64 seasons [& still does] followed by Walt Disney Presents which has been airing for 54 seasons [& still does].If you want to narrow it down to weekly series, 60 minutes is the longest running prime time series debuting in 1968.
Wild Kingdom is the longest running animal based TV show. It's original run was 1963-1988 (25 years), then it was revived in 2002 and remains on the air today (12+ years) as of 02|2014... so a total of 37 years & counting.
Four Corners.
Space invaders, made in 1978
As of 2006, the longest-running series on PBS was "Sesame Street." The beloved children's educational program first aired in 1969 and continues to be produced today.
Walt Disney
The Simpsons .
Zatoichi is a fictional character featured in one of Japan's longest running series of films and a television series set in the Edo period.
Oxfam is the longest running charity
Depends on what the question refers to: The longest "running" event is the Marathon, but the longest event in terms of distance in the athletics is the Mens 50 kilometre walk (but you certainly aren't allowed to run in that). Alternatively there are a whole series of events that have been included in every Olympics, therefore there is no single longest running event in terms of being at every Olympics.