Relentless (2021)
- HD 1080
- Runtime: 49m.
- Status: Ended
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- Languages: en
- Country: United States of America
- Stars: Christina Fontana
- keywords: true crime, missing person
- Production_studio: Blumhouse Television, Stick Figure Productions
- Seasons: 1
- Episodes: 6
- First air date: 2021-06-28
- Last air date: 2021-07-19
- providers: Max, Max Amazon Channel, Discovery+ Amazon Channel, Discovery +
- The Relentless is featured in the top rankings of 2021
- #76 in Top Crime Series of 2021
Christina Fontana follows a family searching for their missing daughter.