Audition

The Fifth Doctor considered the auditions for a new companion to be worse than Daleks, Cybermen and Ice Warriors put together. He once attended one conducted by a director who instructed the five auditionees to scream loudly. (NOTVALID: Doctor Who? 75)

The Sixth Doctor and Melanie Bush once looked in on Cyberman auditions. They involved John Nathan-Turner watching as the heads of those auditioning were blown off by a shotgun. (NOTVALID: Doctor Who? 125)