這次是 Lynn 的生日，但她討厭慶生，讓甜甜圈 Donut 下定決心要用「宇宙最好吃的蛋糕」改變她的想法。沒想到，一場烘焙意外竟讓整個充氣小隊穿越時空！面對前所未見的敵人與混亂時代，Donut 是否能帶大家平安回到現代，還能順利讓 Lynn 打開心房、變身成派對高手？
The Inflatables don't get pumped. They stay pumped! Inflata-pals and bouncy BFFs Cactus, Flamingo, Donut, and Watermelon are ready for a fresh wave of drama in this hilariously action-packed graphic novel series that's perfect for fans of Dog Man and The Bad Guys!It's Lynn's birthday! Except... Lynn hates birthdays. Donut is determined to change her mind by baking the best cake in the whole chewniverse! But when his secret recipe accidentally sends the inflata-gang TIME TRAVELING, they have to face some truly ferocious foes. Can Donut get his inflata-pals home and turn Lynn from party pooper to party popper?
