Sofia the First (2013)

S3E11 Sofia in Elvenmoor

As her father works with the royal road crew in the Whispering Woods, Sofia and Clover stumble upon a magical Silver Tree that serves as a gateway to a hidden land filled with elves. However, the road crew plans to chop down the Silver Tree to clear the way, which would seal off Elvenmoor for good. Sofia must find a way to protect the tree and the enchanting realm it connects to before it's too late.