In 2016 Kielty returned to BBC Northern Ireland to present programmes, including the comedy panel game show "Bad Language" alongside Susan Calman and Paul Sinha. He then hosted television documentary "Patrick Kielty's Mulholland Drive" which focused on the life of William Mullholland and the California Water Wars. Kielty also reflected on his relatives' work in the Northern Irish water industry. In March 2016 he began hosting a chat show for BBC NI called "Delete, Delete, Delete" looking at celebrities' internet history.