Videos: Trailers, Teasers, Featurettes
Backgroud: the first part of the Monogatari Series light novels Consist of 3 Arc. 1. Bakemonogatari (Broadcast 1 - 12 and Official Website [ONA] 13 - 15). 2. Nisemonogatari (Broadcast 1  - 11 ). 3. Nekomonogatari [Black / Kuro] (Broadcast and Stream 0  - 5 ).
1 Arc. Summary: The story centers on Koyomi Araragi, a third year high school student who has recently survived a vampire attack, and finds himself mixed up with all kinds of apparitions: gods, ghosts, myths, and spirits.
Streaming, rent, or buy Monogatari – Season 1:
Currently you are able to watch "Monogatari - Season 1" streaming on Crunchyroll for free with ads.