nytimes July 4, 2021 7:00am Dan Schneider Once Reigned Over Children’s TV. What Happened? #television #contenttypepersonalprofile #childrenandchildhood #workplacehazardsandviolations #writingandwriters #schneiderdan1966 #nickelodeon #viacomcbsinc #allthattvprogram #icarlytvprogram #news Dan Schneider Once Reigned Over Children’s TV. What Happened? Nickelodeon’s longtime hitmaker separated from the company in 2018 and has been trailed by questions about his abrupt departure. Now he is talking about making a return to television.