DESCRIPTION: (from NBC's press release) ART ALEXAKIS GUEST STARS AS A SINGER IN THE LAIR -- When Chris (guest star Milo Ventimiglia) returns to tell Meg (Brittany Snow) he's been drafted, she must to decide if she will dodge the draft with him, and leave her family and Roxanne (Vanessa Lengies) behind. Meanwhile, Jack (Tom Verica) gives Nathan (guest star Keith Robinson) a chance with a delivery order that becomes dangerous, and Helen (Gail O'Grady) accompanies an old acquaintance to meet her son's coffin, who was killed in action. Also, JJ (Will Estes) thinks he may be in over his head at his new job, and Luke (guest star Jamie Elman) allows Roxanne to cut hair in the Vinyl Crocodile. Art Alexakis (Everclear, "Wonderful") guest stars as a singer in the lair singing " I Feel Like I'm Fixin' to Die" (Country Joe & The Fish), and Eric Lynch ("The Howard Stern Show") guest stars as a client in the travel agency. Jonathan Adams, Arlen Escarpeta, Rachel Boston, Sarah Ramos and Ethan Dampf also star.