Gino, the most admired western lowland gorilla at Disney's Animal Kingdom, celebrates his 39th birthday with animal manager Rachel, who's known Gino since he was a teen. Gino's presented with a storybook-worthy cake, but festivities are stalled when he struggles to overcome a chest infection. Meanwhile, animal keeper Lori notices a lump on beloved alpha lioness Kinsey, which requires urgent medical attention, but transporting the 300-pound cat to the Veterinary Treatment Room poses a challenge. Over at The Seas with Nemo & Friends at EPCOT, aquarist Amanda, who's expecting her first child, prepares to welcome another little ray of sunshine into the world: a spotted eagle ray pup. At Discovery Island, trainer Katelyn teaches two newly arrived macaws, Santiago and Emmett, the navigation skills needed to become members of the Winged Encounters flight team.

Meet the lady mandrills of the Harambe Wildlife Reserve! They're part of a family known to squabble. To stop the infighting, animal manager Beth and keepers Erin and Kerri decide to throw some testosterone into the mix. They introduce Linus, a hunky new monkey who puts the ‘man' in mandrill and manages to charm the all-female squad. On the other side of the reserve, animal keeper Nicole has a soft spot for Scooter and Zawadi, a stinky hyena pair with a spotty reputation. She helps them clean up with a spa day that includes tasty treats, a back scratch and a relaxing bubble bath. Over on Maharajah Jungle Trek, animal keeper Susan helps Sohni, an eight-year-old Sumatran tiger, face a tough challenge -- undergoing a voluntary blood test. Cassanova, an Abyssinian ground hornbill and a fan-favorite resident of Disney's Animal Kingdom Lodge, receives a new diet and feather makeover to strut his stuff again. Later, engineers must perform an overnight operation to inspect an underwater fence within the black rhino habitat.