Joey: Okay, done. Monica: (reading the sign) What’s ‘pleh’? Joey: That’s ‘help’ spelled backwards so that the helicopters can read it from the air! Monica: Huh. What’s doofus spelled backwards? Hug for her and roll for you... Once, someone tried to tell Jack Bauer a "knock knock" joke. Jack Bauer found out who was there, who they worked for, and where the goddamned bomb was. If it tastes like chicken, looks like chicken and feels like chicken, but Jack Bauer says it's beef, then it's definitely beef!