How Many Seasons of 90210: A Complete, Season-by-Season Guide
The series 90210, a soft reboot of the Beverly Hills, 90210 universe, follows a new generation of students in Beverly Hills as they navigate high school, college, and adulthood. In total, the show aired 5 seasons over nearly five years on The CW. Below is a season-by-season breakdown including years, episode counts, premiere and finale dates, and what defined each cycle.
Season Overview Table
Key attributes, verified details, and timing that frame the lifespan of the modern 90210 continuity.
| Season | Year Span | Episodes | Premiere | Finale | Notes |
|---|---|---|---|---|---|
| 1 | 2008–09 | 32 | Sep 2, 2008 | May 19, 2009 | Introduction of the Wilson family and classmates; establishment of the Beverly Hills setting. |
| 2 | 2009–10 | 27 | Sep 8, 2009 | May 18, 2010 | Tightened focus on graduation tracks and early adulthood storylines. |
| 3 | 2010–11 | 22 | Sep 14, 2010 | May 16, 2011 | Character departures begin; shifting toward serialized arcs. |
| 4 | 2011–12 | 24 | Sep 13, 2011 | May 15, 2012 | End-of-high-school arc completes; transitions into early post-graduate life. |
| 5 | 2012–13 | 20 | Oct 8, 2012 | Jun 11, 2013 | Series finale season; closure of major character storylines. |
Season 1 (2008–09)
Season 1 of 90210 established the core ensemble and introduced the Wilson family as they adjust to life in Beverly Hills. The season balanced high school drama, romantic entanglements, and family conflicts across 32 episodes. Air dates ran from September 2008 to May 2009, laying groundwork for ongoing mysteries and relationship maps that would define later cycles.
Season 2 (2009–10)
In Season 2, the show trimmed episode counts to 27 and accelerated timelines toward graduation. Characters confronted consequences of earlier choices, and new dynamics reshaped the social fabric of West Beverly. The season solidified ongoing rivalries and alliances while navigating typical sophomore slump tensions into more focused plotting.
Season 3 (2010–11)
With 22 episodes, Season 3 leaned into serialized storytelling and began phasing out original cast members. The narrative pivoted to post-high school planning and emerging adulthood, creating space for fresh additions while managing exits. Viewers saw tighter continuity and heightened stakes as the cohort approached major transitions.
Season 4 (2011–12)
Spanning 24 episodes, Season 4 completed the high school journey and dove into early adult life. Storylines emphasized career aspirations, relationships beyond Beverly Hills, and the fallout of pivotal decisions. The season bridged the gap between teen-centric plots and the more mature tones that would define the finale.
Season 5 (2012–13)
At 20 episodes, Season 5 served as the series finale, resolving long-running arcs and delivering closure to central characters. The final season addressed legacy themes, last-minute surprises, and the lasting impact of choices made since the reboot’s debut. Air dates from October 2012 to June 2013 marked the end of the 90210 continuity on The CW.