Billy Wilkins was a young football fan in 1970s England. After attending a match between Delchester United and Stockton, he met the Eighth Doctor on the bus ride home. Billy told him how Delchester had began performing poorly after Milo and Frank Shakespeare had bought the club, then witnessed two Morgs attacking the bus. Wanting more excitement, and since there was nothing good on television that night, he broke into the stadium to help the Doctor and Ray Stobbs investigate. Billy was taken into space when the Nukaryote was flown to the Morg fathership, where he helped defeat the Morg and free their slaves. Six months later, he was watching the much-improved Delchester team play when the Doctor returned and offered him a ride in the TARDIS, but Billy was too caught up in the game to notice. (DWM: Doctor Who and the Nightmare Game)
| Companions of the Eighth Doctor |
|---|
| | Television |
| Single-adventure | | | | Narratively ambiguous | |
| | | Prose |
| Travelling | | | | Single-adventure | | | | Occasional adventures | | | | Single multi-adventure story | |
| | | Comics |
| Travelling | | | | Single-adventure | | | | Occasional adventures | |
| | | Audio |
| Travelling | | | | Single-adventure | | | | Occasional adventures | | | | Single multi-adventure story | |
| | | Webcast |
| | | If a medium is not mentioned, then this incarnation did not have companions who were original to that medium; it does not mean that this Doctor failed to appear in that medium. |
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