Brett Cawley is a writer for American Dad! with the following episode credits:
- Buck, Wild (2013) (co-written with Robert Maitia)
- Stan Goes On the Pill (2014) (co-written with Robert Maitia)
- A Star Is Reborn (2015) (co-written with Robert Maitia)
- The Shrink (2015) (co-written with Robert Maitia)
- Roots (2016) (co-written with Robert Maitia)
- The Two Hundred (2016) (co-written with Robert Maitia)
- Ninety North, Zero West (2016) (co-written with Robert Maitia)
- The Long Bomb (2017) (co-written with Robert Maitia)
- Shell Game (2018) (co-written with Robert Maitia)
- The Future is Borax (2019) (co-written with Robert Maitia)
- Rabbit Ears (2019) (co-written with Robert Maitia)
- Eight Fires (2019) (co-written with Robert Maitia)
- Exquisite Corpses (2020) (co-written with Robert Maitia)
- The Wondercabinet (2021) (co-written with Robert Maitia)
- Comb Over: A Hair Piece (2021) (co-written with Robert Maitia)
- Gold Top Nuts (2022) (co-written with Robert Maitia)
- Fellow Traveler (2023) (co-written with Robert Maitia)
- The Pink Sphinx Holds Her Hearts on the Turn (2023) (co-written with Robert Maitia)
- The Grocery Store Bank (2024) (co-written with Robert Maitia)
- What Great Advancements! (2025) (co-written with Robert Maitia)