My personal criteria for a perfect movie is impact. Casting, presentation, delivery, and environment are also crucial. Here are a few that meet those criteria for me, in no particular order:
The Peanuts Movie
Inception
Interstellar
Mr. Smith goes to Washington
An American Tail: Fievel Goes West
Shenandoah
The Boy in Striped Pajamas
Temple Grandin
Life is Beautiful
The Secret Life of Walter Mitty (Ben Stiller)
The Empire Strikes Back
Sergeant York
Les Miserábles (Liam Neeson)
The Many Adventures of Winnie the Pooh
The Lion King
Mickey's Christmas Carol (1983)
Amazing Grace
Remember the Titans
It's a Wonderful Life
To Kill a Mockingbird
The Princess Bride
Castaway
Goodnight and Goodluck
The Return of the King (Rankin & Bass)
That Thing You Do
ST II: The Wrath of Kahn
ST VI: The Undiscovered Country
The Fellowship of the Ring
Raising Arizona
Willow
The Truman Show
True Grit (John Wayne)
Rooster Cogburn and the Lady
The Prince of Egypt
Ben Hur
Treasure Island (Heston & Bale)
The Lego Movie
Blackboard Jungle
How to Steal a Million
There are a few others but I'll stop here.