when did the the television network mentioned above first launch?
April 1, 1979
Nickelodeon
Nickelodeon (often shortened to Nick) is an American pay television channel which was first tested on December 1, 1977, until it eventually launched on April 1, 1979 as the first cable channel for children. I
is plankton from spongebob a zooplankton or phytoplankton Plankton is an intellectual planktonic copepod and Karen is a waterproof supercomputer. they are voiced by whom in spongebob squarepants? Mr. Lawrence and Jill Talley what is its role in the series? Plankton shares a rivalry with Mr. Krabs, who owns the far more profitable Krusty Krab restaurant and sells a fictional burger called the Krabby Patty. Plankton and Karen often devise schemes to steal the secret Krabby Patty recipe, but their efforts are always thwarted by Krabs and his employees. does they appear in any other shows? No, but they appeared in comic books and video games. where is the first voice actor from? He is an American. can you tell me any other show that he worked for? He is most known for his work as a writer and voice actor for the Nicktoons shows "Rocko's Modern Life" and "SpongeBob SquarePants" the second show mentioned above was created by whom? Marine science educator and animator Stephen Hillenburg this show was aired on which television network? Nickelodeon who are the main characters of this series? SpongeBob SquarePants, snail Gary,  octopus,  starfish
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Nickelodeon [SEP] Introduction
Nickelodeon (often shortened to Nick) is an American pay television channel which was first tested on December 1, 1977, until it eventually launched on April 1, 1979 as the first cable channel for children. It is owned by ViacomCBS through its domestic networks division and is based in New York City. The network's programming is primarily aimed at children and adolescents aged 2–17, while some of its program blocks target a broader family audience. The channel was first tested in 1977 as part of QUBE, an early cable television system broadcast locally in Columbus, Ohio. QUBE's Channel C-3 aired "Pinwheel", an educational show developed by Vivian Horner.