Alex's Adventures of The Greatest Adventure Stories from the Bible: Noah's Ark is the first "Alex's Adventures" crossover. It appeared on YouTube on January 28, 2010.
While accompanying two young archaeologists, Derek and Margo, and their nomad friend Moki, Alex, Marty, Gloria, Melman, and Alex's parents Zuba and Florrie, fall into a sand pit and enter a portal that passes them through time. They end up in the time in which Noah builds the ark.
- Leonette does not appear in this episode, not even in a cameo appearance.
- In the end credits, a version of the theme song for "The New Adventures of Winnie the Pooh" plays.
- This was dedicated to brerdaniel and the "Pooh's Adventures" series.