Clint Carmichael

Alan worries that Charlie's womanizing is out of control. Recurring guest star JANE LYNCH ("The L Word") appears as Charlie's therapist, Dr. Freeman, and recurring guest star EMMANUELLE VAUGIER ("Saw II," "Saw IV") appears as Charlie's former fiancée, Mia.

Chris decides to buy his mother an expensive bottle of perfume for Mother's Day to pay her back for all the things she has done for him

Gabrielle tries to keep Grace in her life; Renee shares a dark secret with Susan; Paul's plan is revealed.

When a young boy who went missing in San Diego on Halloween suddenly reappears one year later, the BAU must work fast when another trick-or-treater disappears under similar circumstances. Series star Thomas Gibson directed the episode. Gibson's son, Travis, guest stars as Jake McCauley.

After Picard loses his life in a surprise attack, Q gives him the chance to change his destiny.

When Voyager beams aboard a wounded Hirogen aboard, they inadvertently allow aboard his prey, a member of Species 8472.