[s6e5] The One File

: Consequently, the two are forced to file for a legal divorce instead. They conclude the episode by signing the actual divorce papers, which marks the official end of their impulsive Las Vegas marriage.

: During the signing, they share a poignant conversation about their shared past and how they both originally imagined that if they ever got married, it would be forever. [S6E5] The One

The reference to most likely refers to the signing of divorce papers in the Friends episode "The One With Joey's Porsche" (Season 6, Episode 5). : Consequently, the two are forced to file