Stéphane De Groodt created the series File dans ta chambre, broadcast since 14 January 2002 on channels RTBF, Canal+ Belgique and France 2, and in which the texts are co-written by his wife Odile d'Oultremont.

The series are small episodes in which he portrays Lucien, a totally uncultivated father attempting to answer the questions asked by his 10-year-old son Clovis about a definition or an expression.

This column functions the same way than the one he presented until 2012 on the program La Matinale on Canal+ and also with Maïtena Biraben and Caroline Roux, where he talked about his meeting with famous characters with a humoristic tune and a mixture of word plays and puns.

He pursued this column weekly on RTL with Stéphane Bern on the radio program À la bonne heure where he comments a fake mail of improbable auditors.

[6] In September 2013, after having left RTL, he joined France Inter on the radio program Comme on nous parle with Pascale Clark every Thursday, where he presents a column of a few minutes titled Mes mails, in which he comments a number of fake E-mails of auditors addressed to France Inter and Pascale Clark.

Stéphane De Groodt and his very literary surreal humour which include the unbridled rhythm of word plays make him often think about other famous humorists such as Raymond Devos and Pierre Desproges, which often causes the complete misunderstanding of some of his special guests.