| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S2006E02 | The Watchers |
PBS
|
30 | |
| S2006E20 | "The Big Uneasy" & "Lockdown" |
May 19, 2006
PBS
|
30 | |
| S2006E21 | Be Our Guest |
May 26, 2006
PBS
|
30 | |
| S2006E22 | Tangled Web |
June 2, 2006
PBS
|
30 | |
| S2006E23 | Who Killed the Electric Car? |
June 9, 2006
PBS
|
30 | |
| S2006E24 | Crude Awakening |
June 16, 2006
PBS
|
30 | |
| S2006E221 | Be Our Guest |
PBS
|
30 | |
| S2006E222 |
Tangled Web
season finale
|
March 21, 2008
PBS
|
30 |
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No artwork of this type.
No artwork of this type.