Guest Stars Jason Alexander as Himself (Panelist) Martin Mull as Himself (Center Square) Kareem Abdul-Jabbar as Himself (Panelist) Kathie Lee Gifford as Herself (Panelist) Jeff Corwin as Himself (Panelist) Louise DuArt as Herself Kathy Griffin as Herself (Panelist) Joan Rivers as Herself (Panelist) Alan Young as Himself (Panelist)