The fifth and final season of 90210 premiered on The CW on October 8, 2012, and concluded on May 13, 2013. It was announced on May 3, 2012.
The season aired on Monday nights at 8:00 p.m. prior to Gossip Girl in the fall, and 9:00 p.m. following The Carrie Diaries in the winter, and Oh Sit! in the spring.
It arrived on DVD on October 8, 2013.