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Season guide

The X Factor: Season 4

28 episodes Premiered Aug 18, 2007 Updated Oct 28, 2026
Previously on The X Factor

Season 4 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 The X Factor Season 3.
  • ⚡ 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 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

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

Season 4: Filler vs. Essential Canon

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

11%
89%
Mytharc (3): Crucial lore & season climaxes
Core (25): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Series 4 - Auditions 1

Aug 18, 2007 · 60 min

The show returns for it's fourth series with Dermot O'Leary as the new host. Hopefuls audition for the judges hoping to impress and make it through to the next stage of the competi

S4·E2 Core

Series 4 - Auditions 2

Aug 25, 2007 · 60 min

The auditions come from Birmingham and Cardiff as more hopefully try and impress the judges. Paris who at 14 last year impressed all the judges but was too young for the competitio

S4·E3 Core

Series 4 - Auditions 3

Sep 1, 2007 · 60 min

More hopefuls good and bad try and impress the four judges in a hope of making it through to the next round of the competition. Dermot is on hand to talk to those who make it throu

S4·E4 Core

Series 4 - Auditions 4

Sep 8, 2007 · 60 min

More hopefuls good and bad try and impress the judges and again a place in the next round of the competition. Kelly's father is upset with Simon when he refuses to put his daughter

S4·E27 Mytharc

The Final

Dec 15, 2007 · 60 min

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