What's up, Doc? At Warner Bros. Entertainment, what's up is a horde of film and TV properties. Warner Bros. Pictures produces and distributes flicks including the Harry Potter films (Harry Potter and the Half-Blood Prince), as well as The Hangover and Grand Torino. Warner Bros. Home Entertainment distributes DVDs and has the world's largest film library. Warner Bros. Television Group produces shows including The New Adventures of Old Christine (airing on CBS) and Gossip Girl (The CW Network). Warner Bros. also owns movie studio Castle Rock Entertainment, comic book company DC Entertainment, 50% of The CW Network, and video game firm Midway Games. The company is a subsidiary of Time Warner. That's all, folks!