I really hope they finish releasing the remaining 3 seasons. I fear that they won't because I can't imagine these half-season releases selling very well.
Who else loves the box-art we've been getting? Here's what I'm thinking will be on the coming releases:
Season 2 Part 1 - Turtles Cornered by Triceratons
Season 2 Part 2 - TMNT vs. Foot vs. Mob... or TMNT & Usagi vs. Drako and Shadow dudes
Season 3 Part 1 - TMNT vs. Bishop
Season 3 Part 2 - TMNT and Splinter vs. Mega Shredder
Season 4 Part 1 - TMNT vs. Ratking?
Season 4 Part 2 - TMNT vs. Mutant creatures
One more thing... if they keep releasing these 5 months apart season 4 part 2 will be released around March 2010