I'm reading "mysteries of london."
It's a penny dreadful published weekly starting 1844. It was probably the most widely read piece of literature of the first half of the 1800s.
It was essentially the must see primetime TV show of its day.
(The act of telling a story was not new. The printing press, and the boom in literacy rates among the working class allowed telling stories to reach a new context.
When serial television came around, it was just a further evolution of that context.)