"The Expedition" is a short of the Rugrats Shorts. It was initially to be released on August 13, 2021. It aired on Nickelodeon on October 1st, 2021 along with "The Cynthia Show".
Tommy leads his friends on an expedition to find treasure on a mountaintop.
Trivia
Both Expedition and Cynthia Show were both due to release on August 13th, 2021 but were later removed from Nickelodeon's schedule. The reason is unknown at this time.
This is the first episode in the reboot where none of the adult characters appear though Didi is mentioned.