Let's start with Lain.
>existentialist themes
>post-modern themes
>alienation themes
>cyberpunk themes
Plot:
>girl falls into the internet
>meets the God of the internet
>questions God
>questions ontology
>questions Epistemology/what is true vs what is believed
>questions wheter if enough people believe something it can become true
>questions [spoiler] how a God who used to be human could have become a God unless he was created by someone higher.
>realizes she made him and is actually the real God of the internet
>deletes herself from existence for the better good, so she won't be tempted to meddle with and harm a lesser species.
[/spoiler]
How would you classify Serial Experiments in Lain? Are there any other good anime for thinkers?