Adam Mitchell (Doctor Who) old. He quickly forms a mutual attraction with the Doctor's companion Rose Tyler (Billie Piper) and informs her of his desire to see the stars. When a live Dalek manages to break free and slaughter its way through the base, Adam finds himself fleeing along with Rose. At the end of the episode, when van Statten's museum is closed down, Rose asks the Doctor (Christopher Eccleston) to take Adam along with them in the TARDIS. The Doctor is reluctant, but Rose convinces him to let Adam follow them into the TARDIS. In the following episode, "The Long Game", the Doctor,
Companion (Doctor Who) focus on the character of Rose Tyler and characters connected to her. For example, although Adam Mitchell was a companion by the standard definition, he appeared in only two episodes and was arguably a less significant part of the 2005 series than Rose's sometime boyfriend Mickey Smith, who was not technically a companion but appeared in five episodes (or six, including a brief appearance as a child in "Father's Day"). Mickey later gained full-fledged companion status when he travelled in the TARDIS in the 2006 episode "School Reunion". In that episode, Sarah Jane Smith referred to Rose as the Doctor's