Ace looked on quizzically as the Doctor introduced her to his friend, a rather excitable green person who appeared to be mostly a large green eye and many superfluous limbs.
"So, Alpha, how is Peladon treating you these days?" grinned the Doctor.
"It's so wonderful to see you again, and your lovely friend Princess Ace," enthused Alpha Centauri, hir many arms flailing with delight, "so many things have changed since your last visit to the planet, but I'm sure King Aggador would like to fill you in himself!"