Tony calls on Johnny Sack for help when his crew begins to question Ralph's sudden disappearance. Tony forces Christopher into rehab when his drug use spins out of control, but group therapy soon deteriorates into a brawl. Furio is noticeably cooler toward Carmela after his return from Italy.
Elenco: James Gandolfini , Lorraine Bracco , Edie Falco , Michael Imperioli , Steven Van Zandt , Tony Sirico , Robert Iler , Jamie Lynn Sigler , Steve Schirripa , Dominic Chianese , Aida Turturro , Nancy Marchand , Robert Funaro , Robert Iler , Steve Schirripa , Steve Van Zandt , Steven Van Zandt , Tony Sirico , Vincent Curatola , Vincent Pastore .