What to Watch This September: The Biggest New & Returning TV Shows

September marks the official launch of the autumn television season. From razor-sharp espionage thrillers and prestige true-crime anthologies to mockumentary workplace comedies and long-running reality staples, here is your complete guide to the biggest TV premieres arriving this month.

Prestige Drama, Crime & Thrillers

  • The Gentlemen (Season 2) – Netflix (3 September)
    Guy Ritchie’s aristocratic crime caper returns with Theo James and Kaya Scodelario expanding their illicit weed enterprise into Italy, joined by high-profile new additions including Hugh Bonneville and Sergio Castellitto.

  • The Drop: A Snowfall Saga – FX / Hulu (8 September)
    Expanding the Snowfall universe, this brand-new spin-off dives into 1990s Los Angeles post-crack epidemic, tracing the evolution of street politics, shifting alliances, and federal law enforcement.

  • Slow Horses (Season 6) – Apple TV+ (16 September)
    Gary Oldman is back as the delightfully abrasive Jackson Lamb. Season 6 puts the Slough House misfits directly in the crosshairs of an internal MI5 clean-up operation, featuring the return of Olivia Cooke as Sid Baker.

  • Monster: The Lizzie Borden Story – Netflix (17 September)
    Ryan Murphy’s true-crime anthology returns for another gripping installment, exploring the infamous 1892 double axe-murders of the Borden household with a star-studded cast.

  • Outlander: Blood of My Blood (Season 2) – Starz (18 September)
    The historical prequel drama returns to chart the parallel romance arcs of Jamie Fraser’s parents in 18th-century Scotland and Claire’s parents in WWI-era England.

  • MobLand (Season 2) – Paramount+ (18 September)
    Tom Hardy, Helen Mirren, and Pierce Brosnan reprise their roles in this violent transatlantic crime saga as internal power struggles fracture the Harrigan crime dynasty.

☕ Comedy & Workplace Premieres

  • The Paper – Sky Max / NOW / Peacock (5 September)
    Set within the same documentary universe as The Office, Domhnall Gleeson stars as an ambitious managing editor attempting to save a struggling, volunteer-driven Midwestern newspaper alongside Tim Key and Oscar Nunez.

  • South Park (Season 29) – Comedy Central (16 September)
    Trey Parker and Matt Stone return for a sharp new run skewering recent pop-culture obsessions, emerging tech trends, and the autumn political cycle.

  • The Simpsons (Season 38) & Fox Animation Domination – Fox (27 September)
    Fox rolls out its flagship Sunday comedy block, headlined by The Simpsons

What shows are going straight onto your watch list this month?