Extinct-拯救甜甜圈：时空大营救

In the 19th century, a group of donut-shaped animals called Philamons lived on an island. Two of them accidentally broke into a time-travel portal and came to modern Shanghai, China, where they found that the Philamons were extinct! In order to save their race from extinction, they must enlist the help of a cute dog to go back in time and save their species...