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| Season Episode: 4x07 |
| Episode: 67 |
| Production Number: |
| Original Air Date: 2006-04-24 |
| Title: Billy Joel Bike |
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| Season Episode: 4x08 |
| Episode: 68 |
| Production Number: |
| Original Air Date: 2006-06-05 |
| Title: Wendy's Bike (1) |
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| Season Episode: 4x09 |
| Episode: 69 |
| Production Number: |
| Original Air Date: 2006-06-12 |
| Title: Wendy's Bike (2) |
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| Season Episode: 4x10 |
| Episode: 70 |
| Production Number: |
| Original Air Date: 2006-06-19 |
| Title: Sunoco Bike (1) |
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| Season Episode: 4x11 |
| Episode: 71 |
| Production Number: |
| Original Air Date: 2006-06-19 |
| Title: Sunoco Bike (2) |
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| Season Episode: 4x12 |
| Episode: 72 |
| Production Number: |
| Original Air Date: 2006-08-07 |
| Title: Bill Murray Bike (1) |
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| Season Episode: 4x13 |
| Episode: 73 |
| Production Number: |
| Original Air Date: 2006-08-14 |
| Title: Bill Murray Bike (2) |
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| Season Episode: 4x14 |
| Episode: 74 |
| Production Number: |
| Original Air Date: 2006-08-21 |
| Title: OCC Roadshow |
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| Season Episode: 4x15 |
| Episode: 75 |
| Production Number: |
| Original Air Date: 2006-08-28 |
| Title: OCC Production Bike |
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| Season Episode: 4x16 |
| Episode: 76 |
| Production Number: |
| Original Air Date: 2006-11-06 |
| Title: Lugz Bike (1) |
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| Season Episode: 4x17 |
| Episode: 77 |
| Production Number: |
| Original Air Date: 2006-11-13 |
| Title: LUGZ Bike (2) |
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| Season Episode: 4x18 |
| Episode: 78 |
| Production Number: |
| Original Air Date: 2006-12-04 |
| Title: Eragon Bike (1) |
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| Season Episode: 4x19 |
| Episode: 79 |
| Production Number: |
| Original Air Date: 2006-12-11 |
| Title: Eragon Bike (2) |
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| Season Episode: 4x20 |
| Episode: 80 |
| Production Number: |
| Original Air Date: 2007-01-18 |
| Title: Senior vs. Junior (1) |
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| Season Episode: 4x21 |
| Episode: 81 |
| Production Number: |
| Original Air Date: 2007-01-25 |
| Title: Senior vs. Junior (2) |
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| Season Episode: 4x22 |
| Episode: 82 |
| Production Number: |
| Original Air Date: 2007-02-01 |
| Title: Go Daddy (1) |
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| Season Episode: 4x23 |
| Episode: 83 |
| Production Number: |
| Original Air Date: 2007-02-08 |
| Title: Go Daddy (2) |
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| Season Episode: 4x24 |
| Episode: 84 |
| Production Number: |
| Original Air Date: 2007-02-15 |
| Title: Flowjet Bike (1) |
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| Season Episode: 4x25 |
| Episode: 85 |
| Production Number: |
| Original Air Date: 2007-02-22 |
| Title: Flowjet Bike (2) |
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| Season Episode: 4x26 |
| Episode: 86 |
| Production Number: |
| Original Air Date: 2007-03-29 |
| Title: HP Bike (1) |
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| Season Episode: 4x27 |
| Episode: 87 |
| Production Number: |
| Original Air Date: 2007-04-05 |
| Title: HP Bike (2) |
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| Season Episode: 4x28 |
| Episode: 88 |
| Production Number: |
| Original Air Date: 2007-04-12 |
| Title: Peavey Bike (1) |
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| Season Episode: 4x29 |
| Episode: 89 |
| Production Number: |
| Original Air Date: 2007-04-19 |
| Title: Peavey Bike (2) |
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| Season Episode: 4x30 |
| Episode: 90 |
| Production Number: |
| Original Air Date: 2007-05-31 |
| Title: Australia (1) |
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| Season Episode: 4x31 |
| Episode: 91 |
| Production Number: |
| Original Air Date: 2007-06-07 |
| Title: Australia (2) |
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| Season Episode: 4x32 |
| Episode: 92 |
| Production Number: |
| Original Air Date: 2007-06-14 |
| Title: Australia (3) |
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| Season Episode: 4x33 |
| Episode: 93 |
| Production Number: |
| Original Air Date: 2007-07-12 |
| Title: Intel Bike (1) |
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| Season Episode: 4x34 |
| Episode: 94 |
| Production Number: |
| Original Air Date: 2007-07-19 |
| Title: Intel Bike (2) |
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