Buddy, a regular-sized man who was raised as an elf by Santa, decides to head back to his place of birth in search of his biological family when he learns that he's not a real elf. There, he struggles to win over his gruff birth father.

Prof. Proton visits Sheldon in a dream and gives him Obi-Wan Kenobi-like advice about whether to go see the new "Star Wars" film or spend the time with newly reunited girlfriend Amy on her birthday. Meanwhile, Leonard, Howard and Raj try to decide who will (more…)Prof. Proton visits Sheldon in a dream and gives him Obi-Wan Kenobi-like advice about whether to go see the new "Star Wars" film or spend the time with newly reunited girlfriend Amy on her birthday. Meanwhile, Leonard, Howard and Raj try to decide who will get their extra ticket to the movie premiere.

Bart inadvertently alerts the IRS to tax fraud by Krusty, whose possessions are auctioned off by the Government. Bob Newhart has a cameo. Other voices: Dan Castellaneta, Nancy Cartwright, Harry Shearer.