QI the regular show's broadcast under the title of "QI XL". Series G and H saw the regular show broadcast in a pre-watershed slot with the extended edition remaining within a post-watershed slot. Beginning with the I series, the regular show returned to a post-watershed slot on BBC Two. Syndicated episodes of previous series are regularly shown on UKTV G2/Dave. The show has received very positive ratings from critics and has been nominated for multiple awards; "QI" itself has the highest viewing figures for any show broadcast on BBC Four and Dave. Several books, DVDs and other tie-ins to the show
The Mystery of the Sphinx Channel over the next decade. "Mystery" was initially released by Goldhil Home Media as a 95 minute "extended version" on VHS in 1994, and re-released on DVD by UFOTV as a 95 minute "Special Edition" in 2005. The VHS release was described in a 1994 review as "a fascinating combination of science and humbug." Robert M. Schoch criticized the extended version of the documentary, saying "Unfortunately, the original documentary has since been re-edited and expanded with all sorts of extraneous material, some of which I am not at all happy about, and is currently being marketed by 'UFO TV'. It