Cooper is suspicious of Pete Skinner, who has an uncanny knack of picking winners at the track. A whale hands off his grandmother to Sam to be entertained and she insists on playing Bingo. Delinda is called upon to referee the pair. Danny, Mike and Polly do a practice run to the maternity ward. Polly takes her role as Delinda's surrogate a bit too seriously, resulting in unintended consequences.
![Las Vegas S05E17 - win, place, bingo [HDTV, XviD]](http://img474.imageshack.us/img474/505/lasvegaskl0.jpg)
