In 2005, Küblböck appeared in the sixth season of the German version of "Big Brother", and in 2015, he took part in the eighth season of the German version of "Let's Dance", where he finished sixth, together with his dancing partner Otlile Mabuse. In 2013, Küblböck wanted to participate in the German national final for the 2014 Eurovision Song Contest with his new song "Be a Man", but was rejected by the jury.