Series 2

Series 2 could refer to:


 * Season 2 of the original Doctor Who series (1964-65)
 * Series 2 of the revived Doctor Who series (2006)
 * Series 2 of Torchwood (2008)
 * Series 2 of The Sarah Jane Adventures (2008)
 * Series 2 of the K-9 (TV series). (TBA)