This looks like the full version
Dreamchild (Dennis Potter-Gavin Millar 1985)
https://youtu.be/wwnoJ-WSEEY
Here is a version of AIW from 1949
Alice in Wonderland | 1949 | Full Movie
https://youtu.be/rA-WJFK3DgU
Author Lewis Carroll was rumored to be a pedophile