Felix feels old after finding out his high school sweetheart is a grandmother, and drags Oscar into his misery, in S5E20 “Old Flames Never Die”.  We discuss 1) the production order of this episode 2) the implications of this storyline on how old Felix and Oscar are; 3) the second appearance of Oscar’s “new” secretary Tina; 4) the numerous guest stars including the return of some old favorites; 5) how one of those guest stars, Leonard Barr, breaks the fourth wall and does his stand-up act for the studio audience; 6) the dancing in the episode; and 7) the reference to the wreck of the Hesperus.