The One That Could Have Been - S6.E15

Barry and Mindy's impending divorce prompts the gang to fantasize about what their lives might be like if they'd all taken different courses. Ross is still married to Carol, and Rachel is married to Barry, but fawning over famous soap star Joey Tribbiani. Monica is still fat and dating a doctor. Chandler is an aspiring writer and Phoebe is a Wall Street shark for Merrill Lynch.

The gang continue to fantasize about how different their lives could have been. Carol and Ross decide to have a threesome to spice up their marriage. Rachel goes to Joey's but is incredibly nervous about cheating and gets drunk. Meanwhile, Monica's dinner date falls through and Chandler tries to cheer her up but things take an unexpected turn.