[s5e20] The One With The Ride Along -

: Chandler, Joey, and Ross join Phoebe’s police officer boyfriend, Gary, on a patrol. During the ride, they hear a loud pop—actually a car backfiring—and mistake it for a gunshot. Joey instinctively dives to his right, seemingly shielding Ross from harm, which leaves Chandler feeling jealous and hurt that Joey didn't choose to "save" him. It is later revealed that Joey was actually diving to protect his "best sandwich in the world" from being damaged.

: While Monica is meticulously cataloguing photos, Rachel accidentally knocks them over. To make amends, Rachel goes to Ross’s apartment to fetch margarita ingredients and overhears a message from his ex-wife, Emily. Emily, who is getting remarried the next day, expresses doubt about their divorce. While debating whether to tell Ross, Rachel accidentally deletes the message. [S5E20] The One With The Ride Along

The episode features two primary intersecting storylines involving a police ride-along and a deleted answering machine message: : Chandler, Joey, and Ross join Phoebe’s police