The Belgian participating broadcaster, Walloon Radio-Télévision Belge (RTB), selected its entry through a national final.

La Sélection Belge pour le Concours Eurovision de la Chanson 1968 was the national final format developed by Walloon broadcaster Radio-Télévision Belge (RTB) in order to select the Belgian entry for the Eurovision Song Contest 1968.

[1][2] The final was held on 13 February 1968, in the Studio Mathonet, in Evere, Brussels, from 20:30 to 21:20 CET, and was hosted by Paule Herreman.

[3] Ten songs competed in the contest, with the winner being decided upon by regional public juries from 4 Walloon provinces; Brussels, Liège, Mons, and Namur.

At the close of the voting "Quand tu reviendras" had received 8 points (3 from Italy and 1 apiece from Finland, France, Luxembourg, Portugal, and the United Kingdom), placing Belgium joint 7th (with Monaco and Yugoslavia) of the 17 participating countries.