New evidence has paleontologists questioning whether a third of all dinosaur species ever existed. Could some discoveries once thought to be distinct species, in fact, be the same species at different stages of development? National Geographic joins famed paleontologists—including Jack Horner, a contributing expert to the Jurassic Park films—who are challenging the long held belief that young dinosaurs looked like miniature versions of their parents.

It's the Mexican Day of the Dead, and little Chiqui misses his mama terribly. Two years ago, she left home in the middle of the night to journey to The Beyond, a phantasmagoric land of the dead, which hosts an annual talent show to crown the Greatest Singer Beyond the Beyond - and Chiqui's mama, Julieta, is a luchadora with a dream, to become the most renowned singer ever. Determined to dance with his mama during her performance, young Chiqui sets out with his Papa Diego, the hulking luchador, to find The Beyond himself, and help put his family back together.