Bad Memory Eraser (Korean: 나쁜 기억 지우개) is a 2024 South Korean television series written by Jung Eun-young, directed by Yoon Ji-hoon and Kim Na-young, and starring Kim Jae-joong, Jin Se-yeon, Lee Jong-won, and Yang Hye-ji.

It aired on MBN from August 2, to September 21, 2024, every Friday and Saturday at 21:40 (KST).

It is also available for streaming on Netflix, TVING, Wavve in South Korea, on U-Next in Japan, and on Viki in selected regions.

Bad Memory Eraser tells the story of four coming-of-age characters namely Lee Goon, Kyung Joo-yeon, Lee Shin, and Sae Yan, finding their true selves and healing their pain through love.

Originally, it was reported that Bad Memory Eraser would premiere in 2023 but has been delayed.