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Season guide
Dateline: Season 17
53 episodes
Premiered Jan 13, 2008 Updated Sep 26, 2026
Previously on Dateline
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 Dateline 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·E43
Core
Mystery of the Murdered Millionaire
Jul 18, 2008 · 43 min
A millionaire's wife runs off with an electrician, who runs through some of the couple's fortune. When the millionaire winds up dead, guess who the prime suspect is?
S17·E46
Core
FR1745
Jul 25, 2008 · 43 min
No one could figure out why a college student died in her bed - until a tiny spot launched an epic investigation.