“Are You Smarter Than a 5th Grader,” 6 p.m. on Nickelodeon

Actor and pro wrestler John Cena takes over the hosting chores once handled by Jeff Foxworthy in this reboot of the engaging game show that tests grown-ups on their general knowledge, based on questions taken directly from a current elementary school curriculum. A dozen brainy grade-school students are in the center of the action.

“Beat Shazam,” 7 p.m. on Fox

Host Jamie Foxx sets up an exciting “Bi-Coastal Battle Royale” as he welcomes a geographically diverse slate of American contestants in this new episode. Teams of New York musicians, two best pals from Los Angeles and a brother-sister duo from South Carolina hope their musical knowledge will carry them to a shot at up to $1 million.

“Best Baker in America,” at 8 p.m. on Food Network

In the new episode “Themed Desserts: Toy Story 4,” the five bakers still in the competition are first tasked with creating mini desserts around a “Toy Story” theme that would be fitting for a movie premiere party. For the master challenge, they must choose a “Toy Story 4” character and replicate it in cake.

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