i noticed this evening that transformers Prime is now avaliable on iTunes store for purchase

Volume 1
$17.55 for HD "Season"
$14.95 for SD "Season"
$3.49 per HD Episode
$2.99 per SD Episode

Episodes
Darknes Rising Part 1
Darknes Rising Part 2
Darknes Rising Part 3
Darknes Rising Part 4
Darknes Rising Part 5

Volume 2
$17.55 for HD "Season"
$14.95 for SD "Season"
$3.49 per HD Episode
$2.99 per SD Episode

Episodes
Masters and Students
Scrapheap
Con Job
Convoy
Deus Ex Machina