Spin-offs and Merchandise
The show's logo and characters have appeared on a wide range of merchandise. Red Dwarf has also been spun off in a variety of different media formats. For instance, the song "Tongue Tied", featured in the "Parallel Universe" episode of the show, was released in 1993 as a single and became a top 20 UK hit for Danny John Jules (under the name 'The Cat'). Stage plays of the show have been produced through Blak Yak, a theatre group in Perth, Western Australia, who were given permission by Grant Naylor Productions to mount stage versions of certain episodes in 2002, 2004 and 2006. And in October 2006 an Interactive Quiz DVD entitled Red Dwarf: Beat The Geek was released, hosted by Norman Lovett and Hattie Hayridge, both reprising their roles as Holly.
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