JOAN PREPARES FOR A MOCK TRIAL AT SCHOOL AND EXCITEDLY PLANS A NIGHT TO CELEBRATE HER ONE YEAR ANNIVERSARY WITH ADAM, UNBEKNOWNST THAT HE HAS BETRAYED HER, ON "JOAN OF ARCADIA," FRIDAY, APRIL 1

"Trial and Error" -- Joan prepares to prosecute a case for a mock trial at school, per God's request, while enthusiastically planning a way to celebrate her one-year anniversary with Adam, who has secretly betrayed her, on JOAN OF ARCADIA, Friday, April 1 (8:00-9:00 PM, ET/PT) on the CBS Television Network. Neal Israel directed the episode written by Marc Flanagan based on a story by Matthew Donlan and Jeremy Martin.

Joan surprises everyone with her passion in prosecuting a mock case against the equally motivated defense attorney, Grace. Meanwhile, while trying to hide his guilt from Joan as she plans a special anniversary night out with him, Adam decides to confess his wrongdoing to an appalled Grace.

Will Girardi: Joe Mantegna
Helen Girardi: Mary Steenburgen
Joan Girardi: Amber Tamblyn
Kevin Girardi: Jason Ritter
Luke Girardi: Michael Welch
Adam Rove: Christopher Marquette
Grace Polk: Becky Wahlstrom
Det. Carlisle: Mark Totty
Glynis Figliola: Mageina Tovah
Sr. Lilly Waters: Constance Zimmer
Father Ken Mallory: David Burke
Bonnie: Alexis Dziena
Natalie Hoyt: Kari Coleman
Reporter #1: Donna Ruthe
Ronald Harbison: Armin Shimerman
James Karon: James Russo
Judge Patricia Claymore: Joyce Guy
Skinny Kid God: Adam Wylie
Old Lady God: Kathryn Joosten
Locksmith God: John Del Regno
Reporter #2: Gina St. John

RATING: To Be Announced