The Keepers is a seven-episode American documentary series that explores the unsolved murder of nun Catherine Cesnik in 1969.

The site's critical consensus reads, "The Keepers draws on riveting, real-life terror to expose long-buried secrets—and tells an inspiring, brilliantly assembled story along the way.

"[6] Pilot Viruet of Vice wrote of the series, "It's harrowing and upsetting, and it will haunt you for a long time, which is part of what makes it necessary viewing.

"While Sister Cathy Cesnik's death remains a mystery, its aftereffects include both crushing heartbreak and, for the amateur sleuths who seek to crack her case, a sense of making a difference...

"[8] According to Jack Seale in The Guardian, "Where other true crime hits have followed a linear chronology, The Keepers hops between 1969, the 1990s and today, striking a fine balance between narrative structure – a wow moment at the end of every episode – and respect for a subject that doesn’t need or deserve sensationalism.