Thursday, December 14 on NBC (8-8:30 p.m. ET)

FRIENDS — NBC Series — “The One Where Chandler Can’t Tip” — Pictured (l-r): Courteney Cox Arquette as Monica Geller and David Schwimmer as Ross Geller — NOT TO BE OUTDONE BY CHANDLER’S SANTA, ROSS INVENTS HIS OWN MASCOT, THE HOLIDAY ARMADILLO — Photo provided by Warner Bros. Television