The Den was the long-running children's television strand of Ireland's public broadcaster Raidió Teilifís Éireann. First broadcast on 29 September 1986 on RTÉ1, it moved to Network 2 two years later. Initially a continuity strand for weekday afternoon programmes, The Den later expanded during the late 1990s and the 2000s until it became synonymous with RTÉ's children's output. At various times during its run, it was known as Dempsey's Den, Den TV and Den2.
In mid-2010, RTÉ Television announced an overhaul of its children's output, with the launch of RTÉjr and TRTÉ The Den aired for the last time on 19 September 2010.