Pleasant Goat and Big Big Wolf: Mission Incredible: Adventures on the Dragon's Trail (Chinese: 喜羊羊与灰太狼之开心闯龙年; pinyin: Xǐ Yángyáng Yǔ Huī Tàiláng zhī Kāixīn Chuǎng Lóngnián; lit. 'Pleasant/Happy Lamb/Goat and Grey Wolf's Happy Year of the Dragon') is a 2012 Chinese animated film based on the animated television series Pleasant Goat and Big Big Wolf. It is preceded by Moon Castle: The Space Adventure (2011) and is followed by The Mythical Ark: Adventures in Love & Happiness (2013).

In the film, 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.