Exhibit A

From Tardis Wiki, the free Doctor Who reference
The Doctor is caught in the Vault. (TV: Dalek)

Whilst the pair were surrounded by Geocomtex security guards within Henry van Statten's Vault, Rose Tyler quipped that the Ninth Doctor would be "Exhibit A" in a hypothetical collection of aliens. (TV: Dalek [+]Loading...["Dalek (TV story)"])