What I do is go on youtube and type sonic x. On the very top,click on it,then choose ANY episode and there you go!
You can go to 4kids.com or Youtube.com and type in an episode you want to watch.
on you-tube just type in sonic x or you can go to 4kids.com it's a lot easier.
Sonic X episodes 35-38 are really good in Japanese as it follows Sonic Adventure 2 storyline.
in sonic x you can find it write sonic x episode 18.
Sonic cries in Sonic X episode 52.
If you are talking about the episode of Sonic X where they are filming at a castle, the Episode is "Season 1, Episode 19: Sonic's Scream Test"
hulu.com/sonic-x There you can watch all English episodes, and Japanese (including subtitles) episodes. :) For Japanese ones you need to be in America or using a proxy of America.
Episode 67 Of Sonic X (It's Called Teasing Time.)
Episode 67
She Appears in episode 39 of sonic x near the end of the episode.
It was the episode named Countdown to chaos