<P> The Doctor realizes that Keeler is missing, and goes with Sarah to search for the Krynoid . Dunbar runs into the monster and is killed . His screams attract the attention of Scorby and the guards as well as the Doctor and Sarah . They escape to a cottage and barricade themselves in . The Krynoid speaks using Keeler's voice, demanding that the Doctor join it and it will spare the others . Scorby throws a Molotov cocktail at the Krynoid, allowing the Doctor to escape . Chase makes his way through the grounds and confronts the Krynoid . It notices him and he approaches, taking photographs . </P> <P> The Doctor arrives at the Bureau, where UNIT Major Beresford warns he can't do anything without evidence . The Doctor shows reports of people near Chase's estates being killed by plants . He then calls Sarah Jane and tells them Beresford is preparing to attack the Krynoid with a laser gun, but the Krynoid cuts the phone wires . Chase arrives and tells them that it's the plants' world, and humans are parasites . He goes to the manor to develop his photographs, then begins speaking to the plants in his greenhouse . </P> <P> Scorby, Sarah Jane, and Hargreaves confront Chase, and he speaks of how the world will be made perfect . Sarah Jane notices that the plants are closing in on them . The Doctor and a UNIT soldier drive onto the grounds while the plants overwhelm Sarah Jane and the others and start to strangle them . </P> <P> The Doctor and UNIT Sgt . Henderson arrive with chemical plant - killer . They dispose of the plants, saving Scorby and Sarah Jane, but Hargreaves is killed . Chase runs away, and the Doctor and the others go into the lab and start removing the plants . Once they're outside, Chase locks the door behind them and they watch as the now enormous Krynoid towers over them . UNIT soldiers arrive and open fire with their laser gun, distracting the Krynoid so that the Doctor and his group can get to another door . </P>

Dr who the seeds of doom part 1