[REQ] Sayonara Zetsubou Sensei series

[JFreak]

Whew, its been so long since I posted one. Am busy with FYP and stuffs.

Anyway, as the title goes, I'm looking for the series. I don't know which is the 1st/2nd/3rd season, so please also help me clarify them. MU/FSc links are preferred. Your help is very much appreciated. :D

 

[corocoro]

Stuff transferring now.

 

[corocoro]

In chronological order:

Sayonara Zetsubou Sensei (nonA BD 0576p)
Zoku Sayonara Zetsubou Sensei (a.f.k., anon, volans DTV 0400p)
Goku Sayonara Zetsubou Sensei (gg DVD 0480p)
Zan Sayonara Zetsubou Sensei (gg DTV 0480p)
Zan Sayonara Zetsubou Sensei Bangaichi (Sandwich-anime, KagiyamaHina DVD 0480p)