Eager little hands stretched to the sky in a race to answer Nickelodeon’s series ‘Shimmer and Shine’ pop quiz composed by the cartoon’s very own creator, Farnaz Esnaashari-Charmatz.

The kid-focused cable net today ordered new seasons of three of its top programs for preschoolers: Blaze and the Monster Machines, PAW Patrol and Shimmer and Shine. The renewals add to its half ...