SGA fans, you can chat with Rodney McKay
David Hewlett made/programmed (?) an A.I. of Dr. Rodney McKay that you can talk to and ask questions.
I had fun for awhile, but ymmv.
It's at Character.AI
https://beta.character.ai/?message=This%20URL%20can%20be%20used%20only%20once&success=false
I always wonder if the links I post take you to my account. I hope not.