How could one man possibly father 533 children? Well, if he was once an eager contributor to a sperm see where this is going. That's what we got from this first 'Delivery Man' trailer, which features Vince Vaughn as the proud pop in question.

The teaser, which debuted on Fandango, is content not to show off too much of the film just yet.  All it need do is give us an idea of the premise, a few shots of a befuddled Vaughn and a stinger involving Chris Pratt as Vaughn's lawyer. Sold!

The Ken Scott-directed film also stars Cobie Smulders, Bobby Moynihan and Britt Robertson. Delivery Man' opens on November 22. Here's the official synopsis:

From DreamWorks Pictures comes 'Delivery Man,' the story of affable underachiever David Wozniak (Vince Vaughn), whose mundane life gets twisted in a knot when he finds out that he fathered 533 children via sperm donations he made twenty years earlier. In debt to the mob, rejected by his pregnant girlfriend, things couldn’t look worse for David when he’s hit with a lawsuit from 142 of the 533 twentysomethings who want to know the identity of the donor. As David struggles to decide whether or not he should reveal his true identity, he embarks on a journey that leads him to discover not only his true self but the father he could become as well.