Polar Bear Express

Overview: A penguin stuck in molt for a year has hopefully seen the last of his bad hair days.

Overview: The Columbus Zoo and Aquarium makes room for three adorable new cheetah cubs.

Overview: The staff at the Columbus Zoo can hardly contain itself as it prepares to make a home for an orphaned baby gorilla.

Overview: Everyone at the zoo awaits the birth of Zuri the giraffe's baby.

Overview: A new sloth bear has major lung issues; a gator breaks out of restraints in an exam.

Overview: The staff throws a polar bear party; Priya works with her husband on a shark exam.

Overview: A tiny loris goes in for a CT scan; Febreze the skunk sees a heart specialist.

Overview: A bonobo's exam gets off to a rocky start; a Bactrian deer needs medical attention.

Overview: Baby pronghorns meet their adult roommates for the first time.

Overview: A madrill needs life or death emergency care. An anaconda goes on a hunger strike

Overview: Phoebe the elephant goes into labor; Aurora the polar bear gets a root canal.

Overview: A 600-pound manatee named Agua is released back into the wild after years at the zoo.