999: Killer on the Line? poster

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: 7.2 (81 votes)
Seasons: 2
Streaming (US): Amazon Prime Video · Plex · Plex Channel
Language: EN
Type: TV series

Browse all Big finale seasons in the explorer → Open in Rising Shows app → View on IMDb

Ratings refreshed Jul 3, 2026 · 2 seasons indexed

Seasons

Season 1 (2016)

7.35 avg 8 episodes 6.7 → 8.2 43 min avg

Big finale

Season 1 episodes — IMDb ratings
#	Title	Rating	Votes
1	French	6.7	24
2	Jermey	7.4	16
3	Crymble	7.2	14
4	Pan	7.5	14
5	Hurd	7.3	14
6	Evans	7.2	14
7	Garbutt	7.3	12
8	Wilson	8.2	16

Season 2 (2018)

7.28 avg 8 episodes 6.2 → 8.2

Big finale

Season 2 episodes — IMDb ratings
#	Title	Rating	Votes
1	Isom	6.2	11
2	Strettle	7.2	8
3	Cox	7.4	9
4	Christian	7.3	7
5	Trigg	7.0	8
6	Byrne	7.0	6
7	Dixon	7.9	7
8	Gentry	8.2	8