After a three-year hiatus, Imago Theatre’s internationally-acclaimed mega hit ZooZoo is back. This December, the introverted frogs, finicky penguins and acrobatic larvae are coming out of hibernation to delight audiences ages 4 and up at 17 S.E. 8th Ave., Portland. This sophisticated sequel to Imago’s witty and whimsical family show “Frogz” will tickle minds and charm hearts. Tickets are $19.50 to $37.50 at www.imagotheatre.com. Performances are Dec. 9 through Jan. 1. The complete schedule is as follows: