7 Must-Watch September 2025 Series And What Changes For Your Watchlist

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By: Jessica Morrison

September’s schedule is shockingly full: from franchise returns to buzzy new dramas, 7 premieres this month could reroute your whole binge plan. If you loved last year’s true-crime obsessions or franchise TV spectacles, these titles (across Hulu, Netflix, Prime Video, Peacock, Paramount+, Disney+) matter because they signal where viewers and studios are betting in 2025. Read on for a quick, opinionated guide to each pick — which one will you binge first?

What To Watch In September: 7 New Series That Could Surprise You

Key Facts

  • Sept 9: Only Murders In The Building returns (Hulu, Season 5), promising more meta mystery.
  • Sept 10: Two new Netflix dramas debut, including The Dead Girls and The Girlfriend.
  • Sept 4: The Paper (Peacock) and NCIS: Tony & Ziva (Paramount+) arrive, shifting streaming lineups.
  • Sept 18–24: Black Rabbit (Netflix) and Marvel Zombies (Disney+) headline late-month drops.
  • These premieres span 6 major platforms, tightening competition for viewers’ attention.

Top 7 New Shows This September: Quick Picks And What Changes

#1 – Only Murders In The Building Returns With Bigger Twists — Should You Care?

Sharp, playful, and still irresistible: the Hulu hit returns on Sept 9 with Season 5 and a new mystery hook. The show remains a must-see for fans who liked its meta whodunit tone, and this season promises a higher-stakes payoff that could redraw streaming conversation. If you loved its blend of comedy and true-crime, this is the premiere to schedule first.

#2 – The Dead Girls (Netflix): A Dark Drama That Wants To Own Watercooler Talk

This Netflix drama (Sept 10) arrives with festival buzz and a twisty premise built to provoke conversation. Critics flag its sharp performances and a plot that courts controversy — expect social feeds to explode. If you enjoy tense ensemble mysteries, slot this one after Only Murders.

#3 – The Girlfriend (Prime Video): A New Drama With Star Power And Stakes

Prime Video’s Sept 10 drama pairs a propulsive premise with recognizable leads and glossy production values. Early notices say the show leans into character tension over spectacle — a good bet if you prefer slow-burn emotional drama. Want something weighty to discuss? This scratches that itch.

#4 – The Paper (Peacock): A Comedy That Could Upend Streaming Sitcoms

Dropped Sept 4, Peacock bets on newsroom satire with a sharp, bite-sized tone. The Paper aims for witty ensemble chemistry, and if it lands, it could become the streaming sitcom people quote at work. Short episodes make it easy to sample without commitment.

#5 – NCIS: Tony & Ziva (Paramount+): Franchise Nostalgia With Modern Stakes

Paramount+ launches this spinoff Sept 4, reviving two legacy characters in a new procedural. It’s designed to pull legacy viewers back while hooking new ones with serialized emotional threads. If you’re nostalgic for franchise continuity, this brings both comfort and fresh plotlines.

#6 – Black Rabbit (Netflix): A Creepy New Drama For Horror-Adjacent Fans

Arriving Sept 18, Netflix’s Black Rabbit is being described as a slow-burn, atmospheric series that trades jump scares for dread. Expect strong visuals and a culty twist — an appealing pick if you prefer mood-driven scares over gore. Perfect for late-night viewing.

#7 – Marvel Zombies (Disney+): A Franchise Gamble Aiming For Big Conversation

Premiering Sept 24 on Disney+, this Marvel entry reboots a familiar IP into darker territory and will test how far franchise TV can push tonal shifts. If you track comic-to-screen transformations, this one’s built to spark online reaction and meme waves.

3 Numbers That Show Why These Premieres Matter Right Now

Metrics Overview

Metric Value Change/Impact
List Items 7 Titles Editor-selected, top September picks
Platforms Represented 6 Services Wide cross-platform competition
Premiere Window Sept 1–30, 2025 Packed monthly slate across streamers

Seven curated premieres across six platforms show September’s packed schedule and tight streaming competition.

What These 7 Premieres Mean For Your Fall Watchlist (And What To Do Next)

These shows prove studios are front-loading September with both safe franchise plays and riskier originals — meaning your queue will fill fast and social spoilers will come sooner. Want buzz fodder? Prioritize the franchise returns and the single-show mysteries for group chats; save moodier dramas for late-night sessions. Which premiere will you start this weekend — and which one will you recommend to everyone first?

Sources

  • https://deadline.com/2025/09/2025-tv-premiere-dates-1235811038/
  • https://www.hollywoodreporter.com/tv/tv-news/netflix-september-2025-new-releases-movies-tv-1236356581/
  • https://ew.com/2025-tv-premiere-dates-8741228/

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