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Season guide
Late Night with David Letterman: Season 9
154 episodes
Premiered Mar 2, 1990 Updated Nov 9, 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.
- Picks up essential narrative continuity directly following the events of Late Night with David Letterman Season 8.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the 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.
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·E154
Mytharc
Show #1421
Feb 1, 1991 · 60 min
Chris Elliott makes the first of his many ""Triumphant Returns"" to Dave's show.