Bud and Lou receive a letter to report to Army headquarters, their applications accepted. Mr. Fields wants his 13 weeks back rent, but they only have a fraction, leading to Lou performing the comical "7 X 13 = 28" routine. After some snappy lines, they pass their physicals. Bud is made corporal. In the barracks, Bud teaches Lou how to shoot dice- their classic "Dice Game" routine. Bud leads his men to drill resulting in their "Drill Routine".
The episode is a condensed version of their feature film "Buck Privates".