[Suzuku]

26 episodes long... except they're 12 minute episodes. The show will be aired as 13 blocks of 24 minutes with 2 episodes each. Staff and summaries for the first four episodes, aka: the first two blocks:

Episode 1: Ruthless Elimination
People are being eaten by a Ghost while in the bathroom. Panty & Stocking have to go into the nasty Daten City sewers to find this Ghost and destroy it.
Director, storyboard, script: Hiroyuki Imaishi
Animation direction: Nishigori Atsushi

Episode 2: Death Race 2010
Panty & Stocking have to fight against a gang of cycling Ghosts in a race of death.
Director, script: Masahiko Ootsuka
Storyboard: Hiroyuki Imaishi
Animation director: Sushio

Episode 3: The Bees' Buzz
Panty & Stocking infiltrate a school to discover the secret of the disappearing students.
Director: Hiroaki Tomita
Storyboard: Atsushi Nishigori
Script: Hiromi Wakabayashi
Animation direction: Hirokazu Kojima

Episode 4: Sex and Daten City
Panty & Stocking are invited by a movie director to star in a movie about their Ghost-killing adventures.
Director, storyboard: Saeko Hiroshi
Script: Hiromi Wakabayashi
Animation direction: Shouko Nakamura

From latest Newtype.