Ungifted

Ungifted is the second half of the 4th episode of Season 12. It first aired on October 27, 2008 along with the episode For the Birds.

Summary
Buster builds an old model harvester (called the Grain Reaper) bought by his Uncle Stu after he stumbled upon it in his closet. He hands it over to Arthur, who trades the Grain Reaper for Binky's Bionic Bunny poster, who then gives it to Brain, who donates it to Lakewood, who then puts it in the school sale. Arthur is upset when the Tibbles wreck it. So he rebuilds it incorrectly. Then, he brings it back to Buster, who was angry about the Grain Reaper being traded and donated. Buster buys a new harvester model with Arthur tagging along.

Plot
Buster digs out an old model called The Grain Reaper that he found in the closet and builds it. However, he has trouble figuring out where the last piece of the model goes. Arthur comes by to tell Buster that they are giving out movie posters at the Mill Creek Cinema. but when Arthur gets a chance to visit the movie theater, Binky has already bought the last poster. Binky spots the model thresher and Arthur trades it for the poster. Arthur shows Buster the poster and explains how he got it but Buster is sad and angry. Arthur tries to make a sorry card for Buster but he rejects it. That night, Arthur has a bad dream where the thresher's "mother" is invading Buster's house. Arthur desperately asks to get the model back but the Tibbles destroy it on a little touchdown celebration by playing a little "offensive football" on a pass play. Later, Arthur visits Buster while his family is still having dinner. Arthur gives Buster the repaired model and Buster is happy again. The episode ends with Buster choosing another model at a store. What will happen to this model?