Doctor Who (TV Series)

The Stones of Blood: Part One (1978)

Mary Tamm: Romana

Quotes 

• Romana : Uh, K-9, what is tennis?

  K9 : Real, lawn or table, mistress?

  Romana : Never mind. Forget it.

  K9 : Forget. Erase memory banks concerning tennis.

  [whir] 

  K9 : Memory erased.

• The Doctor : Anyone for tennis?

  Romana : Tennis?

  The Doctor : Yes. It's an English expression. It means "Is anyone coming outdoors to get soaked?"