HAPPY ENDINGS - "To Serb with Love" - Jane and Alex's parents plan a huge party to celebrate the 20th anniversary of the family mattress business. Jane struggles for a joke to make her humorless dad laugh for her toast, while Alex quietly informs Dave that she hasn't told her mom and dad that they're back together. Max, feeling left out now that Penny's relationship with Pete is going so well, looks for a new BFF to replace her, on "Happy Endings," TUESDAY, DEVEMBER 11 (9:00-9:30 p.m., ET) on the ABC Television Network. Christopher McDonald and Julie Hagerty Guest Star as the Kerkoviches. (ABC/CAROL KAELSON) DAMON WAYANS JR.