Aqui tens o Calendário de Estreias de Séries! Podes consultar neste artigo, que será atualizado sempre que haja novidades, todas as datas das novas séries e regressos de temporadas que estreiam durante o ano! Para saberes mais sobre cada uma delas, basta clicar sobre o nome da série (quando disponível).

Setembro

Dia 1: Code 404 T2 (Sky)
Dia 2:
What We Do in the Shadows T3 (FX), Q-Force (Netflix) e A.P. Bio T4 (Peacock)
Dia 3:
La Casa de Papel T5A (Netflix) e Grantchester T6 (ITV)
Dia 5: Billions T5B (Showtime)
Dia 7: Impeachment: American Crime Story T3 (FX), Queen Sugar T6 (OWN) e On the Verge (Netflix)
Dia 8: Wu-Tang: An American Saga T2 (Hulu), Doogie Kameāloha, M.D. (Disney+), Into the Night T2 (Netflix) e Chegar a Casa (RTP)
Dia 9: Kin (AMC+) e Mumbai Diaries 26/11 (Amazon)
Dia 10: Lucifer T6 (Netflix) e Wolfe (Sky)
Dia 12: American Rust (Showtime) e Scenes From a Marriage (HBO)
Dia 13: Murdoch Mysteries T15 (CBC) e Y: The Last Man (FX on Hulu)
Dia 14: Strays (CBC) e Moonshine (CBC)
Dia 16: The Premise (FX on Hulu), The Harper House (Paramount+), The Lost Symbol (Peacock) e Tacoma FD T3 (TruTV)
Dia 17: The Morning Show T2 (Apple TV+), Sex Education T3 (Netflix), Squid Game (Netflix), Chicago Party Aunt (Netflix) e Family Law (Global)
Dia 19: Teenage Euthanasia (Adult Swim)
Dia 20: The Neighborhood T4 (CBS), Bob ♥ Abishola T3 (CBS), NCIS T19 (CBS), NCIS: Hawai’i (CBS), Ordinary Joe (NBC), 9-1-1 T5 (FOX) e The Big Leap (FOX)
Dia 21: FBI T4 (CBS), FBI: Most Wanted T3 (CBS), FBI: International (CBS), New Amsterdam T4 (NBC), The Resident T5 (FOX) e Our Kind of People (FOX)
Dia 22: The Goldbergs T9 (ABC), The Conners T4 (ABC), A Million Little Things T4 (ABC), Home Economics T2 (ABC), The Wonder Years (ABC), Chicago Fire T10 (NBC), Chicago P.D. T9 (NBC), Chicago Med T7 (NBC), Dear White People T4 (Netflix), Star Wars: Visions (Disney+) e Jaguar (Netflix)
Dia 23: Law & Order: SVU T23 (NBC), Law & Order: Organized Crime T2 (NBC), Creepshow T3 (Shudder), Doom Patrol T3 (HBO Max) e Bangkok Breaking (Netflix)
Dia 24: Foundation (Apple TV+), Goliath T4 (Amazon), Midnight Mass (Netflix), Blood & Water T2 (Netflix), A Lista (OPTO SIC) e Braqueurs (Netflix)
Dia 25: Pecado (TVI)
Dia 26: The Rookie T4 (ABC), The Simpsons T33 (FOX), The Great North T2 (FOX), Bob’s Burgers T12 (FOX), Family Guy T20 (FOX) e BMF (Starz)
Dia 27: The Good Doctor T5 (ABC)
Dia 28: La Brea (NBC)
Dia 29: The Chestnut Man (Netflix)
Dia 30: Grey’s Anatomy T18 (ABC), Station 19 T5 (ABC), Big Sky T2 (ABC), Love 101 T2 (Netflix), Luna Park (Netflix), La Fortuna (Movistar+), Ten Year Old Tom (HBO Max) e Frayed (HBO Portugal)

Outubro

Dia 1: S.W.A.T. T5 (CBS), Magnum P.I. T4 (CBS), Blue Bloods T12 (CBS) e Maid (Netflix)
Dia 2:
Doce (RTP1)
Dia 3:
The Walking Dead: World Beyond T2 (AMC)
Dia 4: On My Block T4 (Netflix)
Dia 5: Sort Of (CBC) e Remember You (Netflix)
Dia 6: Diggstown T3 (CBC), CSI: Vegas (CBS), Brassic T3 (Sky) e La Venganza de las Juanas (Netflix)
Dia 7: Young Sheldon T5 (CBS), Bull T6 (CBS), United States of Al T2 (CBS), Ghosts (CBS) e One of Us Is Lying (Peacock)
Dia 8: Nancy Drew T3 (The CW), Pretty Smart (Netflix), Acapulco (Apple TV+) e Family Business T3 (Netflix)
Dia 9: Hometown Cha-Cha-Cha (Netflix) e O Clube T3 (OPTO)
Dia 10: NCIS: Los Angeles T13 (CBS), SEAL Team T5 (CBS), The Equalizer T2 (CBS) e Angela Black (ITV)
Dia 11: The Baby-Sitters Club T2 (Netflix)
Dia 12: Chucky (Syfy/USA Network) e The Oval T3 (BET)
Dia 13: Legends of Tomorrow T7 (The CW), Batwoman T3 (The CW), Dopesick (Hulu), The Sinner T4 (USA Network), Just Beyond (Disney+) e Twenties T2 (BET)
Dia 14: Legacies T4 (The CW), B Positive T2 (CBS) e Another Life T2 (Netflix)
Dia 15: I Know What You Did Last Summer (Amazon), Day of the Dead (Syfy), You (Netflix), Guilty Party (Paramount+), My Name (Netflix) e COBRA T2 (Sky)
Dia 17: Heartland T15 (CBC), Fear the Walking Dead T7 (AMC), Hightown T2 (Starz) e Succession T3 (HBO)
Dia 18: Wakefield (Showtime*)
Dia 19: Queens (ABC)
Dia 21: The Blacklist T9 (NBC) e The Girl in the Woods (Peacock)
Dia 22: Invasion (Apple TV+), Locke & Key T2 (Netflix), Inside Job (Netflix) e The King’s Affection (Netflix)
Dia 24: Insecure T5 (HBO) e Curb Your Enthusiasm T11 (HBO)
Dia 25: All American T4 (The CW) e 4400 (The CW)
Dia 26: The Last O.G. T4 (TBS)
Dia 27: Sintonia T2 (Netflix) e Guia Astrológico para Corações Partidos (Netflix)
Dia 28: Walker T2 (The CW), Luis Miguel: La Serie T3 (Netflix), Love Life T2 (HBO Max) e Takki T3 (Netflix)
Dia 29: Colin In Black & White (Netflix), Maradona: Sueño Bendito (Amazon), Swagger (Apple TV+), El Tiempo que te Doy (Netflix) e Fairfax (Amazon)
Dia 31: Doctor Who T13 (BBC)

Novembro

Dia 4: Head of the Class (HBO Max)
Dia 5:
Dickinson T3 (Apple TV+), Narcos: Mexico T3 (Netflix), Big Mouth T5 (Netflix), Glória (Netflix), Historias para No Dormir (Amazon) e The Club (Netflix) 
Dia 6:
Arcane (Netflix)
Dia 7:
Dexter: New Blood (Showtime) e Yellowstone T4 (Paramount Network)
Dia 10:
Gentefied T2 (Netflix)
Dia 11:
Ragdoll (AMC+) e The Game (Paramount+)
Dia 12:
The Shrink Next Door (Apple TV+)
Dia 14:
Mayor of Kingstown (Paramount+) e Yellowjackets (Showtime)
Dia 16:
The Flash T8 (The CW) e Riverdale T6 (The CW)
Dia 17:
Christmas Flow (Netflix)
Dia 18:
Star Trek: Discovery T4 (Paramount+) e The Sex Lives of College Girls (HBO Max)
Dia 19:
The Great T2 (Hulu), Cowboy Bebop (Netflix), The Wheel of Time (Amazon), Hellbound (Netflix) e Gomorrah T5 (Sky)
Dia 21:
Power Book II: Ghost T2 (Starz) e Undercover T3 (Netflix)
Dia 24:
Hawkeye (Disney+), True Story (Netflix), Hanna T3 (Amazon) e Saved by the Bell T2 (Peacock)
Dia 28:
The Hot Zone: Anthrax T2 (National Geographic)

Dezembro

Dia 1: Lost in Space T3 (Netflix)
Dia 3:
La Casa de Papel T5B (Netflix) e Alex Rider T2 (IMDb TV)
Dia 10:
The Expanse T6 (Amazon) e Crossing Swords T2 (Hulu)
Dia 17: The Witcher T2 (Netflix) e With Love (Amazon)
Dia 19: 1883 (Paramount+)
Dia 22: Emily in Paris T2 (Netflix)
Dia 26: Claws T4 (TNT)
Dia 29: The Book of Boba Fett (Disney+)
Dia 31: Cobra Kai T4 (Netflix) e Stay Close (Netflix)

2022

Janeiro

Dia 3: 9-1-1 Lone Star T3 (FOX)
Dia 4:
This Is Us T6 (NBC) 
Dia 9:
Call Me Kat T2 (FOX) e Pivoting (FOX)
Dia 13: Peacemaker (HBO Max)
Dia 21:
Ozark T4A (Netflix)
Dia 30:
Monarch (FOX)

Fevereiro

Dia 20: The Walking Dead T11B (AMC)

Março

Dia 10: The Orville T3 (Hulu)

Setembro

Dia 2: The Lord of the Rings (Amazon)

*A data é referente à estreia fora do país de origem

[Calendário de estreias de séries atualizado a 20/10/2021]