999: Killer on the Line? (2016)

Documentary

This series looks at murders that were callously planned and premeditated, with the emergency calls originating from the killer themselves.

IMDb rating

7.1 (83 votes)

Episode average

7.3 +0.2 vs IMDb

Seasons

2

Streaming (US)

Amazon Prime Video

Language

EN

Type

TV series

Declining trajectory: each season no better than the last. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well. See every Declining show in the explorer →

Ratings refreshed Oct 3, 2026 · 2 seasons indexed