The Infinite Quest was a special animated Doctor Who serial, featuring the Tenth Doctor and Martha Jones, which was produced for Totally Doctor Who. The show's live-action stars voiced their animated counterparts in this, the first made-for-television animated Doctor Who adventure. The serial was initially broadcast in twelve instalments of approximately three and a half minutes each; the thirteenth and concluding chapter, however, was not broadcast individually, but was incorporated into a re-edited omnibus version that incorporated the preceding twelve parts. The total running time of the serial was approximately that of a regular live-action episode. Although produced by the BBC using the show's actors, and clearly set within the Series Three timeframe, The Infinite Quest is not conside