Day one film library highlights, official list from Disney

101 Dalmatians
A Bug's Life
A Goofy Movie
An Extremely Goofy Movie
Bambi
Bao
Big Hero 6
Born in China
Cars
Fantasia
Finding Dory
Finding Nemo
Free Solo
Frozen
Fun and Fancy Free
Hercules
High School Musical
Honey I Shrunk the Kids
Inside Out
Iron Man
Lady and the Tramp
Lilo & Stitch
Mary Poppins
Mickey, Donald, Goofy: The Three Musketeers
Mickey's Once Upon a Christmas
Moana
Monsters University
Pirates of the Caribbean: The Curse of the Black Pearl
Pixar Short Films Collection Vol 1
Ratatouille
Remember the Titans
Rogue One: A Star Wars Story
Sleeping Beauty
Snow White and the Seven Dwarfs
Star Wars: Episode I: The Phantom Menace
Star Wars: Episode II: Attack of the Clones
Star Wars: Episode III: Revenge of the Sith
Star Wars: Episode IV: A New Hope
Star Wars: Episode V: The Empire Strikes Back
Star Wars: Episode VI: Return of the Jedi
Star Wars: Episode VII: The Force Awakens
Steamboat Willie
The Good Dinosaur
The Incredibles
The Little Mermaid
The Parent Trap (1961)
The Prince & The Pauper (1990)
The Princess Diaries
The Rocketeer
The Sorcerer's Apprentice (short)
The Sword in the Stone
The Three Caballeros
Thor: The Dark World
Toy Story
Tron (1982)
Up
Wall-E
Zootopia


Day one TV library highlights, official list from Disney

Amazing Planet
Andi Mack (seasons one-three)
Boy Meets World
Brain Games
Dog Whisperer with Cesar Millan
Dr. K's Exotic Animals
Dr. Oakley Yukon Vet
Drain the Ocean
DuckTales (1987)
DuckTales (2016, season one)
Earth Live
Goof Troop
Great Migrations
Howie Mandel's Animals Doing Things
Kim Possible
Malcolm in the Middle
Marvel's Guardians of the Galaxy (animated series)
Marvel's Ultimate Spider-Man (animated series)
Mickey and the Roadster Racers (seasons one and two)
Mickey Mouse Clubhouse
Mickey Mouse Shorts
One Strange Rock
Raven's Home
Rocky Mountain Animal Rescue
Star Wars Rebels
Star Wars: The Clone Wars (series)
That's So Raven
The Incredible Dr. Pol
The Simpsons
Unlikely Animal Friends
Wicked Tuna


thats not the entire list, there is obviously more. Not every MCU movie will be on, they have to wait for deals to expire from NBC, Netflix, etc before clawing back all the Marvel movies. This is the list of new content launch titles that will be available on day 1, other stuff like the MCU TV mini series - Wandavision, Loki, etc - will be making their debuts in 2020 and 2021.

Mandalorian - 10 episodes, 1 per week?
The World According to Jeff Goldbum
High School Musical the Musical
Marvel's Hero Project (reality show)
Forky Asks a Question (Toy Story 4 short series spinoff)
Lady and the Tramp live action remake movie starring Tessa Thompson and Justin Theroux