This is just a bit of fun please add what I have most likely missed.
1. One of the girls in the Stars Hollow school when Rory is still there is the same girl who dumps tristan.
2. Drella Disappears
3. Sookie's clumbsiness decreases as the show goes on.
4. Kirk's original name is Mick.
5. 2 different actresses play the role of the owner of the Independence Inn.
6. Rory mentions her height several times as 5'7,however her mother refers to her as 5'6 as does the mugshot on the fridge.
7. Michel's accent is slightly milder in the final season.
8. Derek the valet disappears.
9. Michel mocks a cat funeral but later in the series makes a big fuss about a funeral for his dog.
10. Dean's motorbike is never seen.
11. The photo booth shots of Rory's parents shows a different actor for her father.
12. The guy who likes Sookie but doesn't realise she is married is also rthe waiter on the Rune date.
Edited 2 total times.