S5, E12: After several unsuccessful relationships Ann (Rashida Jones) makes a dramatic life decision. Ben (Adam Scott) enlists the help of Chris (Rob Lowe), Tom (Aziz Ansari) and Ron (Nick Offerman) to choose a caterer for the wedding, while April (Aubrey Plaza) has to handle one of Leslie's usual tasks. Chris Pratt, Jim O'Heir and Retta also star.