IMDb (Internet Movie Database) is a website that provides information about movies, television shows, and other forms of entertainment, as well as the people who work on them. The site includes a database of movie and TV credits, plot summaries, reviews, ratings, and other information. Users can also create accounts and submit their own reviews and ratings, as well as create watchlists and lists of their favorite movies and shows. IMDb was launched in 1990, and it is now owned by Amazon. It is widely considered as the largest and most comprehensive source of movie and TV information on the internet.