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 25 Glacier Caves: Mt. Hood's Secret World
- Season 25 Oregon Coast Sneaker Wavew, Frank Moore, & Behind the Scenes
- Season 25 Hands-On Environmental Education In Hood River
- Season 25 Buzz Bowman, School for the Blind Ski Day, Wolverines
- Season 25 Imperial Stock Ranch, Geologic Snowflake Hunters , Amphibian Declines
- Season 25 Double Damned Race, The Pallisades, Apple Detectives
- Season 25 Mushrooms, Ice Crawlers, Disappearing Lake
- Season 25 Sea Cave Kayaking, Smith Rock, Oregon Land Use
- Season 25 Mustangs of Oregon: Wild Horses in Crisis
- Season 25 Snow School, Wildflowers, First Salmon Ceremony
- Season 25 Butterfly Watching, McKenzie River Trail, Lizard School
- Season 25 Corn Maze, Mountain Biking, Hot Air Balloon Makers
- Season 25 Kayaking, Summer Ski Camp, Behind the Scenes
- Season 25 Wilderness Medics, Tsunami Anniversary, Crystal Springs
Oregon Field Guide - Season 25 Episode 11 Butterfly Watching, McKenzie River Trail, Lizard School
10.00 48 minutes Enter the colorful world of Chris Carvalho’s butterfly photography. 26-miles of natural wonders earn this trail the nickname “America’s #1 Trail.” Aspiring researchers learn the how-to's of wildlife research by studying the life and death of lizards in Oregon's Alvord desert.
