Board Thread:New on The Clone Wars/@comment-2000765-20131012171033/@comment-6088434-20131014234604

Here's my logic:

4 episode yoda arc

4 episode order 66 arc

4 episode sifo dyas/plo koon arc

3 episode clovis arc

3 episode commander thorn arc

These last two seem logical since the jedi youngling arc was originally not planned for season 5. So if you take those 4 out and add these 6 the season's episode total would have been 22 as usual.