Llama just ate a doughnut-the most scrumptious, most sprinkled doughnut in existence-and he needs to eat it again. The problem? He can't. He has already eaten it. The solution? A pair of time-travel pants, of course. But when Llama goes way farther back than he intended, the dessert he winds up taking has an owner who's more than willing to travel through time to retrieve it.