Internet Archive TV dataset - search interface.
Search 357,000 TV broadcasts on Internet Archive - and use their built-in visualizations to understand results:
Internet Archive's new sleek interface allows you to search its massive collection of TV broadcasts across 21 stations, from CNN to TeleFutura. For each search topic, the interface shows the graph of frequency over time; for each video, you can also see a bar graph of frequency of extracted topics. For example:
I have argued that web interfaces to large cultural data sets need to incorporate visualizations - so you can get an overview of contents before deciding what to focus on. Internet Archive new interface is certainly a move in the right direction which will hopefully stimulates others to follow.