A young elf mistakes a tiny alien for a Christmas gift, not knowing her new plaything has plans to destroy Earth's gravity — and steal all the presents.

Monster High: Ghouls Rule unearths an old conflict between "Normies" and monsters - and things are about to get scary! For years, students at Monster High were warned that Halloween was a night to stay inside and avoid conflict at all costs. But Frankie and her friends discover that ghouls and "Normies" once loved to spend the holiday together! The ghouls decide to turn back the clock and use the night to celebrate their individuality and show that it's okay to "Be Yourself. Be Unique. Be a Monster!"

The film chronicles George's adventures as he befriends Kayla, a baby elephant, at a magic circus show and helps her travel across the country to be reunited with her family.Accompanied by his friend, the Man with the Yellow Hat, George travels by foot, train, and truck to reach Kayla's brother and sister in California, only to be accused of elephant-napping and brought all the way back to New York.

The exploits of the Mobile Infantry squad, "Razak's Roughnecks," during the SICON–Bugs War between a newly united humanity and an extraterrestrial race, known as the "Bugs," also sometimes referred to as Arachnids.