In this episode, every member of the band is now single.
The video "Worldwide" resembles the video from the boy band Backstreet Boys' "I Want It That Way."
This is the first episode that has a sad ending.
James' 3-day relationship represents a 3-stage love life. Day One: Falling in Love. Day Two: Continuous Relationship/Proposal. Day Three: Married Life (which ends up as a divorce).
Kendall's and Jo's 'thing' is the goodbye kiss, probably because of their first kiss in Big Time Concert, which was suspected as their last kiss forever.