THE GUYS' PLANS FOR A VIDEO GAME TOURNAMENT GO SOUTH WHEN WILL'S KIDS GET SICK AND THERESA IS COMPLETELY OUT OF COMMISSION, ON ABC'S "MAN UP!"

"Up All Night" - The guys' plans for a video game tournament go south when Will, thinking he's going to sneak out and play, gives Theresa some medication recommended by Kenny to cure her insomnia. Instead, little Nathan and Lucy come down with the flu, and Will and the gang end up holding down the fort as Theresa experiences some bizarre side effects from the meds, on "Man Up!," TUESDAY, DECEMBER 20 (8:30-9:00 p.m., ET) on the ABC Television Network.

"Man Up!" stars Mather Zickel as Will Keen, Dan Fogler as Kenny Hayden, Christopher Moynihan as Craig Griffith, Teri Polo as Theresa Hayden Keen, Amanda Detmer as Brenda Hayden, Henry Simmons as Grant, Jake Johnson as Nathan Keen and Charlotte Labadie as Lucy Keen.

Guest starring in "Up All Night" is Eve Cardillo as Gina.

"Up All Night" was written by Ric Swartzlander and directed by Alex Hardcastle.

"Man Up!" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1-channel surround sound. This program carries a TV-PG parental guideline.