Season guide
Heartbeat: Season 17
24 episodes
Premiered Nov 11, 2007 Updated Sep 26, 2026
Previously on Heartbeat
Season 17 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of Heartbeat Season 16.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 17 Episodes
Episode Guide
🛡️ SPOILER SHIELD
Season 17 Progress Shield
Future titles & synopses blurred. Tap "Reveal" on any card to peek.
S17·E3
Core
Night Mail
Nov 25, 2007 · 60 min
A train carrying mail is robbed including cash and Peggy receives an inheritance.
S17·E22
Core
You Never Can Tell
Sep 14, 2008 · 60 min
A music manager returns to marry in the town of his birth but is found dead the next morning in the Aidenfield Arms.
S17·E23
Mytharc
Mixed Messages
Sep 21, 2008 · 60 min
PC Mason suspects an elderly ladies death might involve foul play.