It aired on MBC TV from March 1, to April 13, 2024, every Friday and Saturday at 21:50 (KST).

[11] Wonderful World tells a story about an author and professor whose life falls apart after her son is killed in a hit-and-run accident.

[1] In November 2023, production company Samhwa Networks announced that it had signed a license contract with Walt Disney Korea for the broadcasting rights of the series.

[9] NME's Hidzir Junaini praised Kim Nam-joo performance as Soo-hyun, calling it "powerful".

[23] Film critic Jeong Deok-hyeon, one of the prominent judges at the prestigious Baeksang Arts Awards, praised Cha Eun-woo for his range of expression, from the perspective of a victim to that of a perpetrator, but he also maintains empathy as a fellow victim, a complex emotion to portray, but one that he manages to convey effectively in his role as Kwon Seon-yul.