| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Balancing Act |
April 15, 2005
PBS
|
30 | |
| S04E02 | Hackers Transformation: Part 1 (The Icky Factor) |
July 25, 2005
PBS
|
30 | |
| S04E03 | Hackers Transformation: Part 2 (Penguin Tears) |
July 26, 2005
PBS
|
30 | |
| S04E04 | Hackers Transformation: Part 3 (Past Perfect Prediction) |
July 27, 2005
PBS
|
30 | |
| S04E05 | Hackers Transformation: Part 4 (Measure for Measure) |
July 28, 2005
PBS
|
30 | |
| S04E06 | A Change of Art |
October 3, 2005
PBS
|
30 | |
| S04E07 | The Case of the Missing Memory |
October 4, 2005
PBS
|
30 | |
| S04E08 | A Crinkle in Time |
October 5, 2005
PBS
|
30 | |
| S04E09 | A Broom Of One's Own |
October 6, 2005
PBS
|
30 | |
| S04E10 |
A Tikiville Turkey Day
season finale
|
October 7, 2005
PBS
|
30 |
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