It's Thanksgiving, and it couldn't be busier! Mr. Read is whipping up his famous turkey dinner, the Lakewood elementary kids are preparing for the annual parade and, when things start to go off course, Arthur and his friends must find a way to save the Thanksgiving celebration.

For Arthur's great-grand uncle Theo's 85th birthday, the Reads and Buster go to his farm in Ohio to celebrate. Arthur learns that his cousin does not have as much as common with him as he expected, D.W. has continual run-ins with a lizard and hangs out with uncle Theo, and Buster feels like he does not belong at the family reunion.

Arthur and his friends try to make Ladonna feel better about her family's move to Oregon.

Arthur and his friends try to make Ladonna feel better about her family's move to Oregon.

D.W. is tempted to watch a show her parents think she is too young to see

Prunella directs a play based on the fairy tale "The Princess and the Pea.

Cheikh and his family prepare to be American citizens.

Buster's uncle Bob tells him a story about a creature called the lycanbunny.