Nickelodeon will debut two new live-action series–"Nicky, Ricky, Dicky & Dawn" and "Henry Danger"–Sept. 13.

"Nicky, Ricky, Dicky & Dawn" follows the adventures of 10-year-old quadruplets who don't have much in common, except their birthday. Its premiere next month will be followed by the debut of "Henry Danger," in which an ordinary 13-year-old kid's life takes a wild turn when he lands a job as the sidekick-in-training to a superhero.