Near the end of the credits, there is a special message that reads "Heartfelt thanks to the talented artists who worked on Shrek the past decade".
The end credits feature a montage of clips from the previous three Shrek films.
All 4 Shrek film were released in May.
Just before the end credits, it is revealed that this was just one of a number of stories from Shrek's library.
In the end credits, starting with the full cast listing, the categories of credits are accompanied by illustrations representing these categories.
The final part of the end credits is styled to look like a contract.