Sara Oracle

Sara Oracle is one of the recurring characters in the Disney Channel animated series American Dragon: Jake Long.

Body Guard Duty
In Season 1, Episode 10 entitled "Body Guard Duty" she loses one of her flip flops twice in the episode. The first time she loses her shoe is when she climbs over a fence and her left shoe falls off when she lands on the ground. The second time she loses a flip flop is when she loses her right shoe somewhere in the school hallways. But in a continunity error after the second shoe loss, she is seen wearing both shoes.

The videos of the first action can be seen here: https://youtu.be/YwJlFqSIBB4 at the 1:30 mark and the second action here: https://youtu.be/-I8iUHa5INQ at the 1:03 mark and getting her shoe back here: https://youtu.be/I6RUxcOanwY at the 1:03 mark.