 The Doctor and Rose 's reunion was filmed on 13 March in Penarth town centre , in front of two hundred people ; consequently , the scene was leaked onto the Internet and reported in the next day 's edition of The Sun . Graeme Harper insisted that the scene appear " mystical " because the characters ' reunion was " the most magical moment " in the entire episode and Ernie <unk> , the Director of Photography for the show , compared the scene 's feeling to the 1980s science @-@ fiction film Blade Runner . Exterior filming for the week finished in Brook Street and the adjoining Plantagenet Street in Riverside , Cardiff , for scenes where Daleks kidnap humans for experimentation and Wilf 's attack on a Dalek respectively . Scenes in the UNIT headquarters in Manhattan were filmed on the evenings of 16 March and 19 March : the first night , depicting the Dalek invasion , was filmed in a traffic control centre on Junction 32 of the M4 motorway , with the actual Dalek invasion of the building filmed in six minutes at 5 : 30am the following morning ; and the second night , depicting Martha 's escape from UNIT , was filmed in a warehouse in Nantgarw owned by the National Museum Wales . Because of a traffic accident on the first night , the production team were prepared to postpone the shoot if needed . 
