The Challenge: ETA - Season 1 - Eps 7: Check ETA
ETA is back on the ropes, but it is a dangerous injured animal that will try to blow up the financial center of Madrid. However, a terrorist action, which has nothing to do with the gang, seals its fate: the bloodiest attack in the history of Europe. On March 11, 2004, 193 people die in a series of jihadist actions that shook Madrid and shocked the world.
About The Challenge: ETA

Title: The Challenge: ETA
First Air Date: 2020-10-29
Last Air Date: 2020-10-29
Status: Ended
Rating: 5.9/10 (from 20 votes)
Language: ES
Seasons: 1
Total Episodes: 8
Network: Prime Video
Genres: Documentary, War & Politics
Production Companies: Cuerdos de Atar
Synopsis
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.