Yes. In Nickelodeon's 2011-2012 Upfront announcement, it was stated new episodes are being produced. As for when they are airing, obviously that is unknown. You'll have to continue to check your local listings.
Yes they have...in the us of course.
youtube
His most well known penguin is Gunter who appears in quite a few episodes. The other penguins are not mentioned in any other episodes
The Penguins of Madagascar - 2008 is rated/received certificates of: Australia:G (some episodes) Australia:PG (some episodes) Netherlands:6 (2010) (DVD) Singapore:G USA:TV-Y7
fish for food to their new born baby penguins or take care of the new born penguins
321 + 321 = 642
No new episodes, the show has ended.
no
The Penguins of Madagascar .
Yes it has.There are still some unaired episodes so it's possible those might air when the theatrical Penguins of Madagascar movie releases in 2014.
100% if you are talking about all 321 or them.