The teaser trailer for the upcoming sort-of sequel to Knocked Up, This is 40, has been released, and is set to come out this Christmas. The film focuses on the characters of Pete and Debbie (Paul Rudd and Leslie Mann) as they enter middle age and decide to make some changes in their lives. The film also has a slew of big supporting actors including Jason Segel, Lena Dunham, Megan Fox, Chris O’Dowd, Melissa McCarthy, Charlyne Yi, Albert Brooks, and John Lithgow.