Nickelodeon (formerly known as The Pinwheel Network) is an American TV channel owned by ViacomCBS and operated under its Nickelodeon Kids and Family Group. It was the channel where Nickelodeon's Doug and its fellow OG Nicktoons Rugrats and Ren and Stimpy initially aired. The channel launched in December 1, 1977 as The Pinwheel Network, changing its name to Nickelodeon in April 1, 1979. Around the time Doug aired, the channel was known for its identification varities, and nowadays is known as the channel airing the Nicktoons SpongeBob SquarePants, The Fairly OddParents, The Loud House and its spinoff The Casagrandes.
Nowadays Doug can be found in the NickSplat Block.