Alternate timeline ( A Christmas Carol ) In an alternate timeline , Kazran Sardick was a cruel and heartless man who only cared about money before the Eleventh Doctor altered the past to change Kazran into a better person . This was the original timeline before it was altered by the Doctor . ( TV : " A Christmas Carol " ) History . A harsh upbringing . When he was twelve and a half , there was an incident where the sky fish attacked Kazran Sardick ' s school . As Kazran was sick that day , he missed the experience and all of the other children were left with stories while he had nothing . Kazran , a kind - hearted and curious child , became interested in the sky fish and seeing one for himself . However , when Kazran was recording his video diary on his attempts , Kazran was found out by his cruel and unforgiving father Elliot Sardick . Elliot struck Kazran across the face and angrily berated the young boy for what Elliot saw as foolishness . Kazran was left crying all night and would later state that he learned an important lesson that night : no one cares . Kazran then grew up under the cruel thumb of his father . Now believing that no one cared and with his father as his only role model , Kazran began to become cruel and heartless himself like his father . After Elliot built a machine to control the cloud belt , he gave Kazran control of it as well . ( TV : " A Christmas Carol " ) A cruel and heartless man . By the time he was an old man , Kazran had no heart at all and only cared about money . He was still haunted by the memory of his father who had been dead for over twenty years and kept his chairs facing away from a portrait of Elliot on the wall to avoid all reminders of him . Despite his cruel and heartless nature , Kazran could not bring himself to ever harm a child , haunted by the memory of his own father ' s abuse . On Christmas Eve when Kazran was old , he was visited by the family of Abigail Pettigrew who wished for Kazran to release her for one night so that she could spend Christmas with her family . However , Kazran cruelly rejected their attempts as they could not pay the debt that Abigail had originally been collateral for . At the same time , a spaceship with Amy Pond and Rory Williams aboard was crashing towards Sardicktown . With the only way to save them being Kazran ' s machine , the Eleventh Doctor arrived while Kazran was arguing with Abigail ' s family . As he got nothing out of it , Kazran refused to save the ship , but held himself back from striking the family ' s young son , something that was noted by the Doctor . ( TV : " A Christmas Carol " ) Negation . Christmas Eve adventures . With Kazran refusing to help , the Doctor came up with the idea to try to change the man ' s life using " A Christmas Carol " for inspiration . The Doctor proclaimed himself the Ghost of Christmas Past and restored Kazran ' s old video diary so that Kazran could witness the Doctor beginning to change his past . The Doctor , who warned Kazran that his memories would change as history did , visited Kazran on the night that his father hit him for trying to see a sky fish . The Doctor began his attempt to change Kazran by helping him to see a sky fish as he wanted , but they came under attack by a sky shark that ate half of the Doctor ' s sonic screwdriver . After the shark was stunned , it was realised that its only chance was to get it into an ice box to transport the shark back into the sky . At Kazran ' s suggestion , the two awakened Abigail Pettigrew , the young woman who the future Kazran had so cruelly refused to wake up to spend Christmas with her family . Abigail helped calm the shark and the Doctor , Kazran and Abigail returned it to the sky . Before Abigail was returned to her ice box , the enamoured Kazran promised that he and the Doctor would return for her every Christmas Eve . As a result of the changes , Kazran gained a collection of photos of Abigail and a portrait of Abigail replaced his father ' s in the future . Over the next several years , the Doctor and Kazran awoke Abigail on Christmas Eve to have adventures with them all over time and space . The future Kazran gained memories of these adventures as time changed around him , remembering both timelines simultaneously . As Kazran grew older , he and Abigail fell in love with each other and kissed after a Christmas Eve spent with Abigail ' s family . The next Christmas Eve , while at a 20th century Hollywood party , Abigail admitted that she was terminally ill and only had a single more day to live . As a result , a broken - hearted Kazran ended his adventures with the Doctor without explaining why . The Doctor , who realised that something was wrong , left Kazran the broken half of his screwdriver in case Kazran ever changed his mind . A broken - hearted and bitter man . Over the next few years , Kazran fell under the influence of his father as he did in the original timeline , but this time he was broken - hearted and bitter over Abigail ' s fate instead of heartless and cruel . Kazran kept Abigail on ice , unable to decide what would be the last day he spent with his beloved . As a result of this change , the portrait of Abigail was once more replaced with the portrait of his father . By the time he was an old man , Kazran still had Abigail in suspended animation and the broken half of the sonic screwdriver , but he continued to refuse to save the crashing spaceship . In the new timeline , Kazran felt that life wasn ' t fair and claimed to not care at all . Even after being shown the crew and passengers of the crashing spaceship by Amy Pond , acting as the Ghost of Christmas Present , Kazran refused to relent . In a final attempt to change Kazran ' s life , the Doctor brought the twelve - year old Kazran forward in time to see what he would become , effectively making Kazran himself the Ghost of Christmas Future . Kazran accepted that he would die old and alone until he was shown that his younger self had been brought to his present . After the young Kazran mistook his bitter , heart - broken older self for his father , Kazran nearly hit him before being bombarded by memories of his father and his love for Abigail . Having realised what he ' d become , Kazran broke down and embraced his younger self , finally changed for the better . A final day together . With Kazran ' s life successfully altered , the two Kazrans and the Doctor attempted to save the crashing spaceship . However , the machine would not respond to Kazran and the Doctor realised that Elliot would never have programmed it to respond to the kind - hearted man that Kazran was now . As a result of altering Kazran ' s past , the Doctor had made him incapable of using the machine to save the ship . After being presented with the broken half of his sonic screwdriver , the Doctor realised that the only way to save the ship would be to have Abigail sing into the screwdriver and use it to unlock the clouds . A reluctant Kazran released Abigail who sadly greeted her aged beloved and suggested that their last day together be Christmas Day . Abigail ' s singing , sent into the cloud belt through the half of the sonic screwdriver still in the sky shark , unlocked the clouds and caused it to snow and enabled the ship to safely land . With the ship saved , the Doctor returned the young Kazran to his own time and left Abigail and the old Kazran the sleigh they ' d used in one of their earliest adventures for the two to use on their last day together . ( TV : " A Christmas Carol " )