During the first half of the closing credits, the characters get together and sing "We are Family". However, Sid's granny sings by accident "ham and cheese". As each character sings, footage of their voice actor in the recording booth can be seen.
Just like the original and sequel film in the franchises, the ending credits roll alongside with drawings was made by done for children of Blue Sky Studios employees.
Like the previous Ice Age movies, there are no opening credits in the film, beyond the production logos and the title.