Deja Vu

The bride doesn't show up and the wedding is off. Cliff travels to Aunt Maggie's with Mandy Winger. J. R. and Bobby try to find Jenna and Marchetta. J. R. fears that Pam might come back into Bobby's life. J. R. and Cliff work together to keep Bobby and Pam apart. Bobby tries to understand why Jenna ran out on him again. J. R. plots to keep Pam out of Dallas. Marchetta reveals to Jenna his plan involving her and Charlie. Pam decides to travel to the Caribbean to search for Mark Graison. Cliff changes his strategy on Pam's wild-goose chase of Mark. Bobby finds Jenna with Marchetta and learns the shocking truth.