Green Acres (CBS 1965 - 1971)
Opening Credits and Theme Song (YouTube)
Green Acres Theme Song (Television Tunes website, downloadable)
Episode Guides:
IMDb Episode Guide "Green Acres"
TV.com "Green Acres - Episode Guide" (6 Seasons)
Wikipedia article "Green Acres"
Wikipedia "List of Green Acres Episodes" (6 Seasons)
Watch Video Online:
AOL Video Search Results "Green Acres"
Bing Video Search Results "Green Acres"
Google Video Search Results "Green Acres"
Hulu "Watch Green Acres Online Free at Hulu" (3 Seasons, 170 episodes)