Channel 4 will launch its first vertical drama series, titled "The Guest List," on October 24. Designed specifically for mobile device viewing, the five-part series will be available through Channel 4’s Meta, TikTok, and YouTube platforms.

"The Guest List" follows the story of four female friends in their twenties, exploring their relationships and experiences. The series is produced in collaboration with the beauty brand Sol de Janeiro. This format reflects a growing trend toward content tailored for vertical screens, responding to shifts in audience viewing habits on social media and mobile devices.

By premiering on multiple online platforms, Channel 4 aims to engage viewers across popular digital channels, expanding the reach of its original drama content beyond traditional television broadcast.