This Spanish original mystery-comedy television series, which premiered on March 31, 2026, follows an eclectic group of tourists whose week-long holiday in Lisbon is derailed when one of them is murdered.

The television series that perfectly fits this description is "If It's Tuesday, It's Murder (Review)." This Spanish original mystery-comedy premiered on March 31, 2026, captivating audiences with its intriguing premise. The show follows a diverse group of Spanish tourists whose planned week-long vacation in the vibrant city of Lisbon takes an unexpected and deadly turn when one of their fellow travelers is found murdered.

What makes "If It's Tuesday, It's Murder" particularly engaging is its blend of suspense and humor. Often compared to an Agatha Christie-style whodunit with a comedic twist, similar to "Only Murders in the Building," the series sees four of the tourists, who happen to be avid fans of true crime and mystery novels, take it upon themselves to investigate the murder. They delve into the secrets and motives of everyone on the tour, including their own, as they race against time to uncover the killer before their holiday concludes.

The series was filmed entirely on location in Lisbon, showcasing some of the city's most emblematic sites, which adds to the immersive vacation atmosphere despite the grim circumstances. This unique backdrop, combined with a cast of eclectic characters and a compelling storyline, makes "If It's Tuesday, It's Murder" a fascinating watch for anyone who enjoys a good mystery with a touch of lightheartedness.