This will make me sound like an obnoxiously nostalgic ’90s kid (because I am), but: Nickelodeon ruled in the 1990s. There has been plenty of great stuff on the channel since then, including Avatar: ...
I: Methodology -- The history of silent film sound -- Crisis historiography -- II: The late-nineteenth-century soundscape -- The musical scene -- Lecture logic -- III: Early film sound -- From peep ...