The Third Series of Skins originally aired on E4 from January 22, 2009 to March 26, 2009. This is the first series not to feature the main cast from Series 1 and Series 2, as they were entirely replaced for Series 3 (with the exception of Kaya Scodelario as Effy). Series 3 introduces the "second generation" of characters, which are featured in both Series 3 and Series 4. They are replaced in Series 5 by the "third generation". In terms of the show's continuity, Series 3 begins place 3 to 4 months after the end of "Final Goodbyes" (episode 2.10) due to the beginning of a new academic school year. Series 3 takes place during the character's first year of sixth form (equivalent to junior year of high school in North America, or Year 11 in Australia).