Baby Daddy “What Happens In Vegas” Season 4 Episode 21

ABC Family’s Baby Daddy “What Happens In Vegas” Season 4 Episode 21 airs Wednesday July 29 at 8:30 p.m. ET/PT. In tonight’s episode “What Happens In Vegas,” Riley is not thrilled when Bonnie promotes her to Maid of Honor and demands a crazy bachelorette party, while Brad (Peter Porte) asks Danny to be his best man and throw an epic, yet dignified, bachelor party. Tucker tells everyone he’s going to a television convention in Detroit, but he’s actually making his annual trek to Vegas, where he spends one weekend a year living his dream of being a lounge singer.

When the boys discover where Tucker really is, they decide to move Brad’s bachelor party to the desert, which, of course, means Bonnie and Riley are right on their heels. When they accidentally discover Tucker’s act, everyone agrees to enjoy their own nights, but things get very interesting when Bonnie ends up handcuffed to illusionist Peter Oliver (Dan Castellaneta). Meanwhile, Danny finally admits to Ben that he’s in love with Riley.

Show Summary: A young man unexpectedly becomes a single dad and leans on his family and friends for assistance with raising the baby.