Typically Netflix adds new episodes when either the DVD is released or before the next season starts, assuming of course it's a currently running show.
Netflix, Hulu, Or you can buy all the series on Ebay.
There is no way of knowing when Netflix will add the fourth and final season of Cleveland. You'll have to continue checking the site or perhaps contact them directly.
If you have a Netflix subscription you can watch it there.
Netflix
Netflix has them!
netflix
From what is on Netflix there are only 10 episodes but there may be more
You can buy them off of itunes
no they dont. they only have two episodes that are just bonus stuff. the site says they have three episodes but the third one is just the two episodes but together. believe me i want it on netflix too.
theres no way to tell
Netflix
Netflix