| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | Introducing Revisionist History Season Four |
June 13, 2019
|
40 | |
| S04E02 | Puzzle Rush |
June 20, 2019
|
40 | |
| S04E03 | The Tortoise and the Hare |
June 27, 2019
|
40 | |
| S04E04 | Tempest in a Teacup |
July 4, 2019
|
40 | |
| S04E05 | Good Old Boys |
July 11, 2019
|
40 | |
| S04E06 | The Standard Case |
July 18, 2019
|
40 | |
| S04E07 | Dr. Rock’s Taxonomy |
July 25, 2019
|
40 | |
| S04E08 | Descend into the Particular |
August 1, 2019
|
40 | |
| S04E09 | In a Metal Mood |
August 8, 2019
|
40 | |
| S04E10 | Chutzpah vs. Chutzpah |
August 15, 2019
|
40 | |
| S04E11 | The Obscure Virus Club |
August 22, 2019
|
40 | |
| S04E12 |
The Queen of Cuba
season finale
|
August 29, 2019
|
40 |
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