Family guy Jack Sadelstein prepares for the annual event he dreads: the Thanksgiving visit of his twin sister, the needy and passive-aggressive Jill, who then refuses to leave.

Two children conceived by artificial insemination bring their biological father into their non-traditional family life.

A foster kid, who lives with her mean foster mom, sees her life change when business tycoon and New York mayoral candidate Will Stacks makes a thinly-veiled campaign move and takes her in.

Four friends take a break from their day-to-day lives to throw a bachelor party in Las Vegas for their last remaining single pal.

Alexander's day begins with gum stuck in his hair, followed by more calamities. However, he finds little sympathy from his family and begins to wonder if bad things only happen to him, his mom, dad, brother and sister - who all find themselves living through their own terrible, horrible, no good, very bad day.