Uncontrollable Bluebird
The school's social science club holds a contest to see which club can recruit the most members of the opposite gender. Sousuke participates, but his poor social skills fail to attact anyone to his club. Kaname, feeling sorry for Sousuke, decides to help out so he can avoid a bet he made with another club.
Aired 11/11/2003EP 10 - Uncontrollable Bluebird

Full Metal Panic? Fumoffu
It's back-to-school mayhem with Kaname Chidori and her war-freak classmate Sousuke Sagara as they encounter more misadventures in and out of Jindai High School. But when Kaname gets into some serious trouble, Sousuke takes the guise of Bonta-kun - the gun-wielding, butt-kicking mascot. And while he struggles to continue living as a normal teenager, Sousuke also has to deal with protecting his superior officer Teletha Testarossa, who has decided to take a vacation from Mithril and spend a couple of weeks as his and Kaname's classmate.
(Source: Anime News Network)