. . . . . . . "\"O.W.C.A.'s Goin' Down\""@en . . "\"Du Bois Jingle\""@en . . "Fletcher Family Flying Circus"@en . . "\"Fletcher Family Flying Circus\" is a song sung by Reginald and Lawrence Fletcher in the episode \"Father's Day\" while they test the aeroplane that Phineas and Ferb build."@en . "\"Fletcher Family Flying Circus\" is a song sung by Reginald and Lawrence Fletcher in the episode \"Father's Day\" while they test the aeroplane that Phineas and Ferb build."@en . .