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Jay Leno's final episode as host of The Tonight Show aired in February 2014, marking the end of his second and final tenure on the iconic late-night talk show. Leno had previously hosted the program from 1992 to 2009 before briefly passing the torch to Conan O'Brien. However, due to declining ratings, Leno returned to The Tonight Show in 2010 and continued to host until his retirement in 2014.