[3][2] To promote the song, a preview of the music video appeared on a billboard in Times Square, New York City.
On the day of the release, the song was premiered worldwide for the first time as BBC Radio One's "Hottest Record" on the New Music Show segment with Jack Saunders.
[8] The music video for "Over Each Other" was released shortly after the song's world premiere on October 24, 2024.
[10] The video features the band's vocalist Emily Armstrong and Korean actress Kong Seong-Ha portraying girlfriends who get into an argument in a bathroom and in a car, which leads to a car crash.
The emergency services later rescue Seong-Ha, discovering Armstrong has perished in the crash implying her appearances have been as a ghost.