Season
- Season 10 1970-01-01
- Season 11 1970-01-01
- Season 12 1970-01-01
- Season 13 1970-01-01
- Season 14 1970-01-01
- Season 15 1970-01-01
- Season 16 1970-01-01
- Season 17 1970-01-01
- Season 18 1970-01-01
- Season 19 1970-01-01
- Season 20 1970-01-01
- Season 21 2009-08-08
- Season 22 1970-01-01
- Season 23 2011-10-06
- Season 24 2012-10-04
- Season 25 2013-10-03
- Season 26 2014-10-23
- Season 27 2015-10-01
- Season 28 2016-10-09
- Season 29 1970-01-01
- Season 30 1970-01-01
- Season 31 1970-01-01
- Season 32 1970-01-01
- Season 33 1970-01-01
Season 33 Episode
- Season 23 Arctic White Geese, Paragliding Race, Treeverse
- Season 23 Elk at Mount St. Helens, Lighthouse Photoessay, Snowkiting
- Season 23 Bighorn Release, Photogeology, Willamette Valley Fen
- Season 23 Bald Eagle Recovery, Cyclocross, Jim Anderson
- Season 23 Nature Sound Recording, Silver Falls State Park, Zumwalt Cooperation
- Season 23 Avalanche Safety, Fishing Quotas, Music in Nature
- Season 23 Columbia Gorge: The Fight for Paradise
- Season 23 Open Water Swimming, Pine Butterflies, Radon
- Season 23 Chetco River Revisited, Gold Fish, Muddy Boots
- Season 23 Beacon Rock Climbing, Ditch Fish, Newberry Crater Geothermal
- Season 23 Balloon Archaeology, Biscuit Fire 10 Years Later, Collier Glacier
- Season 23 Kite Festival, Trees and Pollution, Ultralight Hiking
- Season 23 Bug Chicks, Canoe Journey, Cape Arago photoessay, Pacific Crest Trail
- Season 23 Mount Hood Climbing Oregon's Highest Peak
Oregon Field Guide - Season 23 Episode 7 Columbia Gorge: The Fight for Paradise
10.00 48 minutes Columbia Gorge: The Fight for Paradise
As the Columbia River Gorge National Scenic Act turns 25, a look back at its dual mandate of protection and economic development.
