The Challenge: ETA (2020)
- HD 1080
- Runtime: 58m.
- Status: Ended
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- Languages: es
- Country: Spain
- Director: Hugo Stuven Casasnovas
- Production_studio: Cuerdos de Atar
- Seasons: 1
- Episodes: 8
- First air date: 2020-10-29
- Last air date: 2020-10-29
- providers: Amazon Prime Video, Amazon Prime Video with Ads
The story of how the Guardia Civil, a militarized police force, fought for nearly half a century against ETA, a ruthless terrorist gang dedicated to murder, kidnapping, extortion and arms and drug smuggling while cynically demanding independence for the Basque Country in northern Spain.