The upcoming fourth season of Netflix's 'Bridgerton' will premiere in two parts, with Part I on January 29 and Part II on February 26. This season adapts Julia Quinn's novel 'An Offer from a Gentleman,' focusing on Benedict Bridgerton's romance with Sophie Baek, whose surname was changed to honor the actress's Korean heritage. The series has also been renewed for Seasons 5 and 6, promising further love stories.