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Tag, You're It: Tracking the Grand Canyon's Toughest Fish

Season 2 Episode 5 | 4m 35s

Biologist Lindsay Hansen and her USGS team work day and night to study the federally threatened humpback chub in the Grand Canyon. Using PIT tags, they track fish growth and migration to understand how this resilient species adapts to cold dam flows and warming tributaries like the Little Colorado. Their efforts offer a glimpse of hope in an altered ecosystem.

Extras
Get ready for the all-new season, coming January 17, 2027 at 9/8c.
The cast play a game of "What's in the vet bag?" with sentimental props from the series.
Celebrate the legacy of Gene Wilder, the actor behind Willy Wonka and Young Frankenstein.
Sheléa performs "MacArthur Park" in this retrospective concert for Jimmy Webb.
Jimmy Webb, Vince Gill, Lyle Lovett and Ashley Campbell perform "Highwayman."
Seeds is a visual exploration of Black farmers and the power of owning land across generations.
Pati Jinich continues her journey inspired by the Pan-American Highway.
From Nashville’s Ryman Auditorium, Great Performances pays tribute to Wynette’s musical legacy.
The War & Treaty perform "Golden Ring" by Tammy Wynette and George Jones.
Debby Boone performs "'Til I Can Make It on My Own" by Tammy Wynette.
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