Doug Petrie was a co-executive producer, writer and director on Buffy the Vampire Slayer. He also wrote two episodes of Angel. As well as TV writing he also wrote the Ring of Fire graphic novel, as well the Buffy comics Bad Dog and Double Cross. His other writing credits include the Fantastic Four film, Tru Calling, Harriet the Spy (starring Michelle Trachtenberg) and Clarissa Explains It All.

Buffy

• 3.07 - Revelations
• 3.14 - Bad Girls
• 3.17 - Enemies

• 4.07 - The Initiative
• 4.15 - This Year's Girl
• 4.20 - The Yoko Factor

• 5.05 - No Place Like Home
• 5.07 - Fool for Love
• 5.12 - Checkpoint (with Jane Espenson)
• 5.21 - The Weight of the World

• 6.04 - Flooded
• 6.15 - As You Were
• 6.21 - Two to Go

• 7.02 - Beneath You
• 7.10 - Bring on the Night
• 7.15 - Get It Done
• 7.21 - End of Days (with Jane Espenson)

Angel

• 1.03 - In the Dark
• 2.09 - The Trial