Tonight on the Sundance Channel is the premiere of The Staircase, which is the trial of Michael Peterson who is serving a life sentence for killing his wife.Thanks to our friends at the Sundance Channel and Electric Artists we have been fortunate enough to get an exclusive: an excerpt from tonights premiere episode. Read on to check it out. EXCLUSIVE: The Staircase: Excerpt from Episode OneMichael Peterson explains his distinction between “relationships” and “sex.” THE STAIRCASE airs every Monday in April at 9:00PM only on Sundance Channel.Here are some other clips and the promo trailer for The StaircaseThe Staircase: Promotional TrailerThe Staircase: Episode 1 – Chapter 1The exciting opening segment of THE STAIRCASE. The Staircase: Episode 1 – Chapter 2In this excerpt, Michael Peterson is cross examined by his legal team to prepare for the trial, and has to face some difficult questions regarding his sexuality. Next on The StaircaseA sneak peak at next week’s episode of THE STAIRCASE, Monday April 11 at 9:00PM.