The first trailer for Judd Apatow’s This is 40 didn’t exactly blow audiences away. While introducing the concept that the film is a “sort-of sequel to Knocked Up” as Paul Rudd and Leslie Mann continue their roles as Pete & Debbie, the jokes were kind of offbeat while mixing in as many scenarios about aging as much as they could. However, most still stood out hope given thatKnocked Up proved to be a major hit for the director. Now Apatow really lets the comedy fly in the full-length trailer forThis is 40, which features much more of the supporting cast while having more of a light not just on how age affects what came easier when you were younger but also how to deal with a new lease on life.

What the trailer really seems to do above everything else is deliver that signature heart that Apatow has in his films that really felt missing in the last trailer. There are still plenty of jokes but some of them actually seem a bit mature among some of the other laughable scenarios. We see the focus shifted not just solely on Mann and Rudd but also on those actors around them, who seem to have plenty of laugh-out-loud potential.

As for the serious undertone of everything, there has always been a sincerity that feels as if Apatow can pluck these storylines straight from life itself. The only problem was that last time the director went with the incredibly realistic route, he left audiences feeling a bit alienated when everything came up crap at the end of Funny People. Let’s just hope this time around there’s a more heartwarming finale in store.

Starring Rudd, Mann, Jason Segel, Lena Dunham, Megan Fox, Chris O’Dowd, McCarthy, Charlyne Yi, Albert Brooks, John Lithgow and more, This is 40 will hit on December 21st.