Theatrical releases
Feature films
- January 13 - Reign of the Supermen (Warner Bros. Animation / DC Comics)
- January 24
- The Inventor: Out for Blood in Silicon Valley (HBO Documentary Films); premiered at the Sundance Film Festival.
- Native Son (HBO Films); premiered at the Sundance Film Festival.
- January 27 - Blinded by the Light (Warner Bros. / New Line Cinema); premiered at the Sundance Film Festival.
- February 7 - The Lego Movie 2: The Second Part (Warner Bros. / Warner Animation Group); premiered in Denmark.
- February 8 - The Lego Movie 2: The Second Part (Warner Bros. / Warner Animation Group)
- February 13 - Isn't It Romantic (Warner Bros. / New Line Cinema)
- March 15
- Nancy Drew and the Hidden Staircase (Warner Bros.)
- Shazam! (Warner Bros. / New Line Cinema / DC Comics); premiered in Toronto.
- The Curse of La Llorona (Warner Bros. / New Line Cinema); premiered at the South by Southwest.
- March 18 - The Inventor: Out for Blood in Silicon Valley (HBO Documentary Films)
- March 29 - Justice League vs. the Fatal Five (Warner Bros. Animation / DC Comics); premiered at the WonderCon Anaheim.
- March 31 - Batman vs. Teenage Mutant Ninja Turtles (Warner Bros. Animation / DC Comics / Nickelodeon); premiered at the WonderCon Anaheim.
- April 5 - Shazam! (Warner Bros. / New Line Cinema / DC Comics)
- April 6 - Native Son (HBO Films)
- April 19 - The Curse of La Llorona (Warner Bros. / New Line Cinema)
- May 10 - Pokémon: Detective Pikachu (Warner Bros.)
- May 17 - The Sun Is Also a Star (Warner Bros. / Alloy Entertainment)
- May 31 - Godzilla: King of the Monsters (Warner Bros.)
- June 14 - Shaft (Warner Bros. / New Line Cinema)
- June 28 - Annabelle Comes Home (Warner Bros. / New Line Cinema)
- August 9 - The Kitchen (Warner Bros. / New Line Cinema)
- August 14 - Blinded by the Light (Warner Bros. / New Line Cinema)
- September 6 - It: Chapter Two (Warner Bros. / New Line Cinema)
- September 13 - The Goldfinch (Warner Bros.)
- October 4 - Joker (Warner Bros. / DC Comics)
- October 18 - Torrance (Warner Bros.)
- November 1 - Motherless Brooklyn (Warner Bros.)
- November 8 - Doctor Sleep (Warner Bros.)
- November 15 - The Good Liar (Warner Bros. / New Line Cinema)
- December 20 - Super Intelligence (Warner Bros. / New Line Cinema)
Television
Theme park happenings
Home video releases
DVD, Blu-ray, and 4K Ultra HD Blu-ray releases
- January 1
- Beowulf (General re-release)
- Love, Gilda (CNN Films)
- Castle Rock: The Complete 1st Season (Warner Bros. Television)
- January 8
- Stay Tuned (Warner Bros. / Sony Pictures Home Entertainment)
- When Harry Met Sally... (Castle Rock Entertainment / Shout! Factory)
- January 15 - Reign of the Supermen (Warner Bros. Animation / DC Comics)
- January 22 - Cobra (Warner Bros. / Shout! Factory)
- January 29
- Ballers: The Complete 4th Season (HBO Home Entertainment)
- Crashing: The Complete 2nd Season (HBO Home Entertainment)
- February 12
- Starsky & Hutch (General re-release)
- Rick and Morty: Seasons 1-3 (Williams Street)
- February 15 - Fantastic Beasts: The Crimes of Grindelwald (Wizarding World)
- February 19
- The Flintstones (1994) (Hanna-Barbera / Universal Studios Home Entertainment)
- A Star Is Born (2018)
- Year of the Dragon (Warner Archive Collection)
- February 26
- My Fair Lady: 50th Anniversary Edition (Warner Bros. / Paramount)
- Willard (New Line Cinema / Shout! Factory)
- March 5 - Creed II (Warner Bros. / New Line Cinema)
- March 12
- Fantastic Beasts: The Crimes of Grindelwald (Wizarding World)
- Man's Best Friend (New Line Cinema / Shout! Factory)
- March 19 - Pokémon the Movie: The Power of Us (Viz Media)
- March 26 - Aquaman (DC Comics)
- April 2
- April 16 - Justice League vs. the Fatal Five (Warner Bros. Animation / DC Comics)
- April 23
- Ace Ventura: Pet Detective: 25th Anniversary Edition (Warner Bros. / Sony Pictures Home Entertainment)
- Ace Ventura: When Nature Calls (Warner Bros. / Sony Pictures Home Entertainment)
- White Sands (Warner Bros. / Sony Pictures Home Entertainment)
- May 7
- May 21 - Isn't It Romantic (Warner Bros. / New Line Cinema)
- June 4
- Batman vs. Teenage Mutant Ninja Turtles (Warner Bros. Animation / DC Comics / Nickelodeon)
- Batman (4K Edition) (DC Comics)
- Batman Returns (4K Edition) (DC Comics)
- Batman Forever (4K Edition) (DC Comics)
- Batman & Robin (4K Edition) (DC Comics)
- A Star Is Born: Special Encore Edition (2018)
- The New Scooby-Doo Movies: The (Almost) Complete Collection (Hanna-Barbera)
- June 11
- July 16 - Titans: The Complete 1st Season (DC Comics)
- July 23 - Manifest: The Complete 1st Season
- August 6 - Shazam! (DC Comics)
DVD-only releases
- January 8
- Fuller House: The Complete 3rd Season (Warner Bros. Television)
- Pokémon: Battle Frontier: The Complete Collection (Viz Media)
- February 5
- My Dinner with Hervé (HBO Films)
- Shine (Fine Line Features / GVN Releasing)
- Batman: The Animated Series: The Complete Animated Series (DC Comics)
- The Sopranos: The Complete Series (HBO Home Entertainment)
- True Blood: The Complete Series (HBO Home Entertainment)
- Scooby-Doo! and the Curse of the 13th Ghost (Warner Bros. Animation / Hanna-Barbera)
- February 12
- Ben 10: Out of Launch (Cartoon Network)
- Rick and Morty: Seasons 1-3 (Williams Street)
- February 19
- Babylon 5: The Gathering/In the Beginning
- Babylon 5: The Lost Tales
- February 26 - Animal Kingdom: The Complete 3rd Season (Warner Horizon Television)
- March 5
- Creed II (Warner Bros. / New Line Cinema)
- Krypton: The Complete 1st Season (DC Comics)
- March 12
- Fantastic Beasts: The Crimes of Grindelwald (Wizarding World)
- The Last Ship: The Complete 5th Season
- The Last Ship: The Complete Series
- March 19
- Pokémon the Movie: The Power of Us (Viz Media)
- Craig of the Creek (Cartoon Network)
- March 26 - Aquaman (DC Comics)
- April 2
- April 16
- April 23
- Shameless: The Complete 9th Season (Warner Bros. Television)
- April 30 - Adventure Time: The Complete Series (Cartoon Network)
- May 7
- The Lego Movie 2: The Second Part (Warner Animation Group)
- They Shall Not Grow Old
- Unikitty!: The Complete 1st Season (Cartoon Network)
- May 21
- Detention: The Complete Series
- Isn't It Romantic (Warner Bros. / New Line Cinema)
- Pokémon: The Series - Sun & Moon: Ultra Adventures (Viz Media)
- June 4
- Batman vs. Teenage Mutant Ninja Turtles (Warner Bros. Animation / DC Comics / Nickelodeon)
- The New Scooby-Doo Movies: The (Almost) Complete Collection (Hanna-Barbera)
- 4 Kid Favorites: Cartoon Network Hall of Fame Collection - Volume 2 (Cartoon Network)
- August 6 - Shazam! (DC Comics)
Digital releases
- January 15 - Reign of the Supermen (Warner Bros. Animation / DC Comics)
- February 5 - Scooby-Doo! and the Curse of the 13th Ghost (Warner Bros. Animation / Hanna-Barbera)
- March 5 - Aquaman (DC Comics)
- March 30 - Justice League vs. the Fatal Five (Warner Bros. Animation / DC Comics)
- May 14 - Batman vs. Teenage Mutant Ninja Turtles (Warner Bros. Animation / DC Comics / Nickelodeon)
Direct-to-video releases
- January 15 - Reign of the Supermen (Warner Bros. Animation / DC Comics)
- February 5 - Scooby-Doo! and the Curse of the 13th Ghost (Warner Bros. Animation / Hanna-Barbera)
- April 16 - Justice League vs. the Fatal Five (Warner Bros. Animation / DC Comics)
- June 4 - Batman vs. Teenage Mutant Ninja Turtles (Warner Bros. Animation / DC Comics / Nickelodeon)
Books
Comics
Reprint collections
Video games
Character debuts
Events
Deaths
References
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