Ross and Rachel’s fighting causes the gang to try to hang out with them separately. Chandler, under stress because Ross and Rachel’s break-up reminds him of his parents divorce, starts smoking again. Rachel invites everyone but Ross to go skiing for the weekend; they get locked out of the car at a rest stop; Rachel refuses to call Ross for help, so Monica and Phoebe do it behind her back; he comes to their aid and then gets stuck because his battery dies. Ross interferes with Carol’s and Susan’s “Anniversary”.