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Season guide

Late Night with David Letterman: Season 9

154 episodes Premiered Mar 2, 1990 Updated Sep 25, 2026
Previously on Late Night with David Letterman

Season 9 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 Late Night with David Letterman Season 8.
  • ⚡ 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 9 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 9 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 9: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

98%
Mytharc (3): Crucial lore & season climaxes
Core (151): Character development & subplots
Side Quest (0): Standalone / filler
S9·E1 Mytharc

900302

Mar 2, 1990 · 60 min

Dave gets a hug from an audience member; ""Viewer Mail,"" assisted by the PUMA 260 robotic arm; locked out California Angels Mark Langston and Scott Bradley play catch in the hallw

S9·E153 Mytharc

Show #1420

Jan 31, 1991 · 60 min

S9·E154 Mytharc

Show #1421

Feb 1, 1991 · 60 min

Chris Elliott makes the first of his many ""Triumphant Returns"" to Dave's show.

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