All the couples are back for a wedding in Las Vegas, but plans for a romantic weekend go awry when their various misadventures get them into some compromising situations that threaten to derail ...

Aging pals Billy, Paddy, Archie, and Sam have been best friends since childhood. When Billy finally proposes to his much-younger girlfriend, all four friends go to Las Vegas to celebrate the end ...

Paul Morse is a good guy. When his friends throw him a wild bachelor party, he just wants to keep his conscience clean -- which is why he's shocked when he wakes up in bed with a beautiful girl ...

With high school a distant memory, Jim and Michelle are getting married — and in a hurry, since Jim's grandmother is sick and wants to see him walk down the aisle — prompting Stifler to throw the ...