Brian Does Hollywood is episode 02 of family guy season 03. It was originally aired on July 18, 2001.
In the conclusion of a two-part story line, Brian leaves Quahog for Hollywood in order to write films. When the Griffins visit him in Los Angeles, he desperately takes the first job offered to him in order to impress them—and finds himself directing a porno. Faced with fame and loneliness in his new field, Brian realizes that every dog needs a home.