Diaconescu was accused of having asked a mayor of a commune in Transylvania to take money in exchange for not publishing compromising data.

"I want to tell you that from this moment Dona, my daughter holds OTV and I announce my candidacy for the next presidential elections in 2014 or when are they" were the first words spoken by Dan Diaconescu, after he left the arrest.

On 7 April 2023, Diaconescu was placed into house arrest for 30 days by the Constanța Court, after being allegedly accused of sexual acts with minors.

At the legislative election of 2012, Diaconescu was nominated to run for a deputy term of Gorj in one electoral college against his challenger was then prime minister, Victor Ponta.

OTV was two times subject to license withdrawal by the Romanian Authority in Audiovisual CNA, first in 2002 for racism and antisemitic attitude,[4] and second in January 2013 after OTV failed to prove payment of fines imposed by CNA for breaches of the Audiovisual Law during years 2009, 2010, 2011, and 2012.