Brian Wayne Peterson was a producer, director (for one episode) and writer for Smallville.
After Al Gough and Miles Millar left the show after Season Seven, Brian took over as head of the show, along with Todd Slavkin, Darren Swimmer, and Kelly Souders. Then after Todd Slavkin and Darren Swimmer left after season 8, Brian and Kelly took over as showrunners completely for the final 2 seasons of the show.
He wrote the following episodes (usually with Kelly Souders):
- Odyssey (teleplay by Todd Slavkin, Darren Swimmer, co-written by Kelly Souders, directed by Kevin Fair)
- Prey (co-written with Kelly Souders, directed by Michael Rohl)
- Eternal (co-written with Kelly Souders, directed by James Marshall)
- Doomsday (co-written with Kelly Souders, directed by James Marshall)
- Savior (co-written with Kelly Souders, directed by Kevin Fair) - Clark tells Jor-El he's ready to start his training, but Jor-El sends him back to Metropolis to cut ties with Lois before he can begin. Chloe is shocked when Lois suddenly reappears after having been missing for weeks, but Lois has no recollection of vanishing into thin air with the Legion ring. While investigating a monorail crash, Lois meets John Corben, a new reporter at the Daily Planet with a negative attitude toward the Red-Blue Blur. Chloe begs Clark to use the Legion ring to go back in time to save Jimmy, but he refuses, driving a wedge into their friendship. Meanwhile, Oliver continues down a dark road, and Zod arrives at the Luthor Mansion
- He also directed Charade (written by Don Whitehead and Holly Henderson).
- Homecoming (co-written with Kelly Souders, directed by Jeannot Szwarc) - In an attempt to cheer up Clark, Lois convinces him to attend their five-year high school reunion. A visit back to the home of the Crows has Clark remembering old times with Lana and Chloe while Lois is furious that no one remembers her five days as a student. Brainiac 5 uses his Legion ring to visit from the future and takes Clark through his past, present, and future. Brainiac 5 shows Clark what really happened the night Jonathan died, Oliver's current pain and Clark's future at the Daily Planet with Lois and his role as Earth's favorite red and blue superhero.
- Kent (story by Genevieve Sparling, teleplay co-written with Kelly Souders and directed by Jeannot Szwarc)
- Finale, Part 2 (co-written with Kelly Souders, directed by Greg Beeman)
- Brian has been reported to be openly gay.
- Brian wrote four episodes in each of the first eight seasons, except for Season One.
- Brian wrote 33 episodes of Smallville, more than any other writer on the show.
- Brian made his directing debut with the Season Nine episode Charade.