• The article discusses where viewers can watch the fourth season of the anime series "Kimetsu no Yaiba" (also known as "Demon Slayer") for free. It notes that the latest episode, Episode 4, is now available to stream on various platforms, including Crunchyroll, Funimation, and Hulu.

• The article provides details on the plot of the current season, which follows the protagonist Tanjiro and his companions as they continue their battle against the demon threat. It highlights the popularity of the series and the anticipation surrounding the new season.

• The article also mentions that "Demon Slayer" has gained a significant following worldwide, with the series being praised for its stunning animation, compelling storytelling, and well-developed characters. It suggests that the new season is likely to continue the series' success and captivate fans.