The episode originally aired on , as part of the show's fifth season. Plot Summary
In the episode, Rigby is visited by a future version of himself in hologram form. Future Rigby warns that at a New Year's Eve party, Mordecai will kiss a girl he shouldn't, which will lead to long-term unhappiness. Rigby is tasked with preventing this kiss to save Mordecai’s future happiness.
Despite Rigby's efforts, Mordecai ends up kissing a girl at midnight while both are wearing masks.
The events take place at a masquerade-themed New Year's Eve party held at the Parkside Lux ballroom.