Kelly Souders was a producer, director (for one episode) and writer for Smallville.
After Al Gough and Miles Millar departed the show, Kelly took over as showrunner, along with Todd Slavkin, Darren Swimmer, and Brian Peterson. Since Season Nine, Kelly Souders and Brian Peterson have remained on the series as the series showrunners.
Sounders wrote the following episodes (usually with Brian Peterson):
- Odyssey (teleplay by Todd Slavkin, Darren Swimmer, co-written by Brian Peterson)
- Prey (co-written with Brian Peterson)
- Eternal (co-written with Brian Peterson)
- Doomsday (co-written with Brian Peterson)
- Savior (co-written with Brian Peterson, 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.
- Homecoming (co-written with Brian Peterson, 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 Brian Peterson and directed by Jeannot Szwarc)
- She also directed Luthor (written by Bryan Miller)
- Finale, Part 2 (co-written with Brian Peterson, directed by Greg Beeman)