5. Jordin Sparks / Nature Nick

Trainer Nature Nick brings some animal friends on-set to help teach Elmo about nocturnal creatures. Jordin Sparks sings one of her favorite childhood songs and shares the thing she loves most about nighttime. Correspondent Grover takes to Sesame Street to investigate whether or not the sun should be in bed. Correspondent Grover takes to Sesame Street to investigate whether or not it's night.