Thanks to Vicky, producer of SoCal Connected, a weekly news magazine for PBS in Southern and Central California for the information. Update: You can now watch it online.
Tonight's story will feature interviews with Los Angeles graffiti artists Revok, Retna and Chaka. Check your local listings for KCET-TV. The show will air at 8PM and will repeat on Friday at 8:30 PM, Saturday at 6:00 PM, and Sunday at 6:30 PM.
For everyone outside of Southern and Central California, you are in luck. The episode will also be online
Graffiti Goes Gallery
Chaka Resurrection - Opening Night
Revok - Crime in the City show in London