Pleasant Goat and Big Big Wolf 4 (2012)
Original title: 喜羊羊与灰太狼之开心闯龙年
Pleasant Goat and Big Big Wolf 4 is a 2012 Chinese-language animation movie directed by William Kan, with a running time of 1h 25m. It stars Ah Niu, Eddy Ou and Qing Zu.
Weslie and his crew discover an evil mechanical dragon who defeats Wolffy as he was attempting to capture the goats, but a series of good dragons rescue Weslie and the goats. The good dragons say that evil dragons have taken over their world, and they need the help of the goats.