Stupendoriffic

 is a children's programming block distributed by which debuted in August 2018. The block, consisting of long-form animated series as well as some short-form content, is carried on the U.S. terrestrial network  as well as on the majority of Tegna's owned/operated stations.

Due to very few of the shows being compliant with Children's Television Act regulations, Tegna-owned/operated network affiliates air their networks' E/I blocks on tape delay after the Stupendoriffic! block to fully fulfill the mandate.

History
Stupendoriffic debuted on August 5, 2018 across most Tegna stations, competing with now-defunct. Tegna signed deals with HG Distribution, Seagrounds Financial Group,, , , and Gotaku to provide programming for the block, with Sony Pictures Television also providing advertising sale services.

Affiliate list
The following is a list of stations that carry Stupendoriffic! (not counting those affiliated with Quest on a digital subchannel):