Jack has some fun telling Arnold that Phyllis is two-timing him with Percy. Arnold tells Phyllis he knows she's seeing Percy and accuses her of using him to make Percy jealous. Derek doesn't know who to have as a best man now Alan has left Rita. Mavis hopes the wedding will bring Alan and Rita back together. Terry decides he is going to flirt with Gina, thinking that she is a sure thing. (thetvdb.com)