HBO Developing Poison Ivy Series with Lauren LeFranc

Variety reported on 21 October 2026 that HBO is developing a Poison Ivy television series. According to Variety, Lauren LeFranc, the showrunner of The Penguin, is set to produce the new series. The announcement followed The Penguin's 2024 release and its critical success. The new series will center on the DC villain Poison Ivy.

The Hollywood Reporter said the series is still in early stages. No cast or writer details are available yet, according to The Hollywood Reporter. The series will not be part of Matt Reeves' Batman universe, the report added. Deadline was the first outlet to report the news.

Poison Ivy first appeared in the 1997 film Batman & Robin, played by Uma Thurman, according to Variety. She has appeared in live‑action shows Gotham and Batwoman, Variety notes. She has also been featured in animated series such as Batman: The Brave and the Bold and Harley Quinn, Variety reports. The character has never led her own television series, Variety states.

LeFranc created The Penguin, a 2024 HBO series that won nine Emmys in 2025, according to The Hollywood Reporter. The Penguin was part of Matt Reeves' Batman universe and starred Colin Farrell, the report added. HBO has not renewed The Penguin for a second season, The Hollywood Reporter said. The new Poison Ivy series represents a new direction for HBO's DC projects, the outlet noted.