It Came from the Nightosphere DVD March 6

 They like totally changed the box art for the next Adventure Time DVD release, now rescheduled for March 6th. Pre-order it here
Adventure Time: It Came From the Nightosphere

Here are the episodes on it.

It Came from the Nightosphere

Rainy Day Daydream

Wizard

Power Animal

Enchiridion

Slumber Party Panic

The Real You

Memory of a Memory

Prisoners of Love

Crystals Have Power

Business Time

Mystery Train

Guardians of Sunshine

The Monster

Hit Man

The Creeps

The new box art with Big ol' Jake is awesome. Frederator's post on the new DVD explains there's still a collectors collection in the works, bit no images online or details yet. BTW who runs the Frederator Adventure Time site, they should have a voice of who they are. Or is more than one person... I wonder.