> ## Content Index
> Fetch the complete content index at: https://www.cascadepbs.org/llms.txt
> Use this file to discover other available public pages before exploring further.

# Dazzling Nudibranchs, Combine Demolition Derby, Saving Crater Lake’s Whitebark Pine Trees
- URL: https://www.cascadepbs.org/show/oregon-field-guide/episode/dazzling-nudibranchs-combine-demolition-derby-saving-crater-lakes-whitebark-pine-trees-ej7v59/
- Published: 2026-11-06T00:31:37.000Z
- Updated: 2026-11-06T01:00:46.000Z
- Description: Sea slugs that sparkle. Farmers face off at the fair. Can science save Crater Lake’s pines?
- Author: Cascade PBS Staff
- Tags: Oregon Field Guide, Season 38, Episode 8, #ZZZ_Episode_617e4001-d9c5-4ffb-8175-649dff412a2e, #episode, #ZZZ_Show_4dbc70b7-9042-49b8-95cb-0e0dd07fb57a, #v1.16

Meet one of the ocean’s most colorful creatures with surprising super powers. A husband and wife crash old tractors and make history in Banks’ 25th annual Combine Derby. Can a scientist save Crater Lake’s whitebark pine trees from an invasive fungus?