American Chopper Season 4 Episode 21
Iowa Farm Bureau Bike 1
4 - 22Iowa Farm Bureau Bike 2Oct. 18, 2007- 4 - 21Iowa Farm Bureau Bike 1Oct. 11, 2007
- 4 - 20Silver State Choppers' Chopper 2Sep. 06, 2007
- 4 - 19Silver State Choppers' Chopper 1Aug. 30, 2007
- 4 - 18Byron Nelson 2Aug. 02, 2007
- 4 - 17Byron Nelson 1Jul. 26, 2007
- 4 - 16Intel 2Jul. 19, 2007
- 4 - 15Intel 1Jul. 12, 2007
- 4 - 14Australia 3Jun. 14, 2007
- 4 - 13Australia 2Jun. 07, 2007
- 4 - 12Australia 1May. 31, 2007
- 4 - 11Peavey Bike 2Apr. 19, 2007
- 4 - 10Peavey Bike 1Apr. 12, 2007
- 4 - 9HP Bike 2Apr. 05, 2007
- 4 - 8HP Bike 1Mar. 29, 2007
- 4 - 7Flowjet Bike 2Feb. 22, 2007
- 4 - 6Flowjet Bike 1Feb. 15, 2007
- 4 - 5American Chopper SpecialFeb. 11, 2007
- 4 - 4Go Daddy 2Feb. 08, 2007
- 4 - 3Go Daddy Part 1Feb. 01, 2007
- 4 - 2Junior Vs. Senior - Part 2Jan. 25, 2007
- 4 - 1Junior Vs. Senior Part 1Jan. 18, 2007
