The Hoarder Next Door is a British documentary series about compulsive hoarding. Produced by Twenty Twenty and shown on Channel 4 it features psychotherapist Stelios Kiosses helping extreme hoarders. The show is narrated by Olivia Colman. (Wikipedia)

Beyond Hoarding (2019) Review
Bed, Bath, and Beyond the Hoard. Beyond Hoarding (2019): 6 out of 10: Straightforward documentary on the science of hoarding that features a few cases. […]