The Last Sontaran: Part Two

Plot:

Sarah Jane and the youngsters are saved by the arrival of Alan and Chrissie, the latter saving the day by wedging the high heel of her shoe into the sensitive vent in the back of Kaagh's neck. However, she is knocked temporarily unconscious and Maria and Alan hope she can be persuaded it was all a dream when she comes to. Luke deactivates the computer, completely immobilising Kaagh's weaponry and he returns to Sontar. Maria and her father leave for America and Chrissie later tells Sarah Jane that she remembers the entire incident.