A stalker disrupts a pop diva's (Sheryl Lee Ralph) performance at the hotel Ed reunites with a former partner (Mimi Rogers) Sam tries to evict a guest lodged in a prime suite who refuses to gamble.
A con artist (Alana De La Garza) scams the daughter of a surveillance specialist into exchanging counterfeit chips for cash Mary helps a couple down on their luck with tickets to see Wayne Newton.
When Ed leaves Danny in charge of the hotel, a computer glitch causes hundreds of guests to be locked out of their rooms.
Cooper, Danny and Mike are suspicious of a man (Terry Bradshaw) who has a nearly perfect winning streak Sam's whale brings his grandmother (Kathryn Joosten) to the casino to play bingo.
Piper's evaluation for the Concierge of the Year award tests her skills Danny and Mike decide to play in a two-on-two basketball competition where the stakes become more than they anticipated.
Sam gets help from The Cleaner when she needs to get rid of evidence after her whales visit a strip club Mike and Piper (Camille Guaty) sample the wares of a hot new bartender they are trying to lure to the Montecito.
Piper gets in trouble with the gaming commission Sam gets caught speeding and must attend traffic school Danny and Delinda meet a "perfect" pair at a parenting class.
Bounty hunters and FBI agents descend on the Montecito when they track a fugitive from justice to the area Sam tries to help one of her whales pick up the pieces of his broken life Piper throws a post-New Year's party, and cash starts rolling in.
Danny and Mike head to Wyoming to buy a horse Delinda looks for a new chef for the casino restaurant Piper hides from her ex.
Mike begins to doubt his place in Las Vegas Sam invites a client to visit the casino for the holidays Delinda and Piper plan a Hot Santa contest to win the casino charity competition.
The effects of the Montecito robbery reverberate all over Las Vegas Danny tries to fend off federal agencies' accusations Delinda wants Cooper and Sam to apologize to each other Piper and Mike help a widow carry out her husband's last wishes.
A cell-phone video may be a clue to who killed Mary's father Ed tries to find out who robbed the Montecito Delinda gets a chance to tell Danny her secret Sam tries to escape her captors.
Mike discovers that Sam has been kidnapped Danny takes drastic measures to help a friend avoid being deployed to Iraq Delinda learns life-altering news.
Ed discusses the possibility of retirement and buying the Montecito Danny and Delinda's condo is broken into Sam learns that she owes millions of dollars in unpaid taxes.
An unexpected death puts a damper on the company picnic Los Lonely Boys entertain staffers at the picnic Mary deals with her past and testifies against her father.
Sam's long-lost love awakes from a 20-year coma Ed goes on a mission to replace his housekeeper (Sandra Bernhard) when his wife is out of town.
Ed, Danny, Mike and Delinda must take matters into their own hands when a world-famous mummy is stolen before it reaches a planned exhibit at the Montecito.
Ed must seek inner peace because one blowup could put the Montecito's gaming license at risk Mike hopes to purchase a condo a basketball player Sam hosts takes an interest in Mary.
Ed and Danny have 12 hours to save Delinda from her kidnappers Mike and Sam try to figure out whether a Buddhist monk's major winning-streak is a scam.
Boston medical examiner Jordan Cavanaugh (Jill Hennessy) and police officer Woody Holt (Jerry O'Connell) come to the Montecito hot on the trail of a murder and a missing rare violin.