Lost in Time ( TV story ) Lost in Time was the fifth story of the fourth series of " The Sarah Jane Adventures " . It introduced the Shopkeeper , an enigmatic guardian of history , as well as his pet parrot Captain , and furthered the hints that Rani Chandra had begun to develop feelings for Clyde Langer . Synopsis . A harmless investigation turns into an epic quest across time and space . Sarah and the gang are separated by the enigmatic Shopkeeper to find themselves in three different time - zones throughout history – doing battle against ghost hunters , Nazi s , Tudors and a mysterious parrot called Captain ! Plot . Part one . Sarah , Rani and Clyde look at a newspaper article about someone who claims to have seen an alien . They go into the man ' s shop to search for any traces of aliens . Rani finds a music box and Clyde finds a bloodstained arrow . The Shopkeeper comes out of a side room . He knows Sarah Jane ' s name , as well as a " great many things " . He admits he used the newspaper article to gain her attention . He explains that three pieces of chronosteel , a metal forged in the time vortex , are lodged in Earth ' s history and have the power to reshape its destiny . He opens a time window , tells them to find the disguised pieces to get home and pushes it towards them . He talks to his parrot , Captain , mentioning the gang only have until an hourglass runs out to save the world . Clyde , Sarah and Rani each wakes alone , with no idea where they are — or when . Rani meets a maid , who tells her she is in the Tower of London ' s royal chambers and that Queen Jane wants to meet her . The maid , whose name is Mistress Ellen , thinks Rani is a visitor from the Far East , come to be the queen ' s new lady - in - waiting . Clyde meets a boy called George Woods , who is watching Germans land on a beach and says it is 1941 . Sarah is trapped in a box , which is opened by a girl who thinks she is a ghost . The girl touches her to find that she is real , then explains it is 1889 and no one lives in the house they ' re in ; she was investigating stories of ghosts . The girl ' s name is Emily Morris . Clyde and George confirm the men are Nazis and go to warn the Home Guard . Meanwhile , Rani is introduced to Lady Jane Grey . Rani makes a good first impression on the young queen , who likes a girl who speaks to her as a friend rather than royalty . The Shopkeeper watches them in his crystal ball . Sarah asks Emily why she is obsessed with ghosts . Emily explains that she lost her mother nine weeks ago and doesn ' t want to believe that she ' s gone . The clock strikes eight , which is when the haunting is supposed to begin . Lady Jane receives a warning that Lady Mary and her army have come to claim the throne . This makes Jane an " unlawful claimant " and a traitor ; the punishment is death . Clyde and George reach St Michael ' s Church , but the telephone is dead and the Nazis have also come to the church and capture them . The Nazis have a piece of metal that Clyde realises is the chronosteel . Sarah discovers that the " ghost " is actually the voice of someone from the future . She shows Emily that she is also from the future . They hear children giggling behind a door . They enter the room , which is hot because in the future , it is on fire . Rani overhears Lady Matilda plotting to kill Jane , Clyde and George escape the church and Sarah and Emily decide to save the children trapped in the burning room . The Shopkeeper , watching them , says they are taking too long and if they do not get back soon , they will all be trapped in the past forever . . . Part two . Rani saves Lady Jane from Lady Matilda , who tried to kill her so she will die a martyr rather than a common traitor . The knife Matilda was going to use is a piece of chronosteel . Sarah and Emily talk about the children , which distresses Emily ; this is how her mother died . They turn the clock hands to eight and can now see the young woman who was talking before , and it emerges she is an extremely neglectful babysitter , as she locks the children she ' s meant to be looking after in their room while she leaves to meet someone . Clyde and George run into the local schoolteacher , Miss Wyckham , who tells them the village is surrounded by Germans , so they go back to St Michael ' s . Lady Jane gives Rani permission to return home , but Rani wants to stay and comfort her . The hourglass runs out , but the Shopkeeper cannot close the time window ; if it is left open , the whole planet will be sucked in and destroyed . Sarah keeps looking for the chronosteel and Rani reassures Lady Jane that she will be remembered for hundreds of years . Clyde , George and Miss Wyckham return to the church , where it is revealed that the teacher is actually a spy . The Nazis explain that their transmitter blocks British radar , allowing them to invade without being detected . Clyde pulls out his mobile phone and pretends it is a bomb ; George grabs the chronosteel and they ring the church bell to alert the Home Guard . Sarah finds the chronosteel , a key that is locking the children ' s room . She cannot touch it ; she has been sent to the wrong time . They go into the room and find that the boy , Ben , has lit a candle and started the fire despite his sister Katy ' s warnings . Emily ' s fear about her mother connects to theirs , allowing her to cross over into their time . She gets the key , saving the children and retrieving the chronosteel . Rani takes the chronosteel and vanishes in front of Lady Jane and Mistress Ellen . Ellen thinks it is witchcraft , but Lady Jane thinks Rani is an angel and knows that she will not be forgotten . George , inspired by Clyde ' s speech about defeating the Germans , says he is going to join up as well . Clyde returns to his own time . Sarah tries to get back , but Emily wants her to stay and accidentally takes the chronosteel , so Sarah goes home empty - handed . However , back in the shop , a woman comes and gives Sarah the key , which saves Earth from destruction . The Shopkeeper teleports away , after implying that the parrot , Captain , was the one who sent them on the mission . The woman explains that she is Angela Price , Emily ' s granddaughter , who told Angela to pass on the key . She and Sarah go for a cup of tea and a chat . Clyde researches George and discovers he was recently knighted by Queen Elizabeth II , whilst Rani reads about Lady Jane and finds she was happy in her final moments . Story notes . Ratings . " to be added " Production errors . " to be added " Home video releases . DVD releases . " to be added " Blu - ray releases . " to be added "