Alternate opening song
Begin the movie and press Audio Change during the song during the opening title to hear the original version by Charles Aznavour instead of the Elvis Costello version.

See phone dialogue
When Hugh Grant is on the phone to Julia Roberts before he goes to interview her, it is possible to see what she is saying to him by selecting the subtitles. Otherwise her voice is muted, and cannot be understood.

Hidden trailer (Ultimate Edition)
Enter the cast and crew screen and select Julia Roberts. Advance through her biography until her filmography appears. Highlight "Erin Brockovich" and press Enter to view the trailer from that movie.