For other series with this name, see The Eleventh Hour.

Eleventh Hour is a four-part British television series developed by Granada Television for ITV by writer Stephen Gallagher. It follows the adventures of Professor Ian Hood (played by Patrick Stewart), Special Advisor to the government's Joint Sciences Committee, who troubleshoots threats stemming from or targeting "scientific endeavour." He is joined by Rachel Young (played by Ashley Jensen), a Special Branch operative who acts primarily as his bodyguard, as Hood has made powerful enemies through his work. The first episode was broadcast on 19 January 2006.