The early Oddessy albums have some punitive talk. I also hate how the kids talk to each other at times, I do not like having negative sibling relationships modeled by a Christian resource.
Like Katigre said the later albums (20+) are better, there is definitely a shift in the early 2000's.
http://www.aiowiki.com/wiki/Series_albums
I will say the story arc with Novacom are a family favorite my sensitive kids really enjoyed it at age 7-8+ my current almost4 year-old loves the show right now (but he kind of weeks out "scary" stuff).