|I Knew That Was Gonna Happen / Sacajawea|
|Season 2, Episode 12|
|Ruff Guyz / George Crum||The Perfect Show Again / Aristophane|
I Knew That Was Gonna Happen / Sacajawea is the twenty fourth episode of The Mr. Peabody & Sherman Show.
During Family Fun Night, Nostradamus arrives to the apartment and predicts doomsday, which causes a panic between the gang and they start to try to do whatever they want; Mr. Peabody and Sherman must help Sacajawea guide Lewis and Clark to new lands in a hilarious race.
- The race Mr. Peabody and Sherman compete in spoofs Hanna-Barbera's Wacky Races.