K-tai Sousakan 7 (ケータイ捜査官７（セブン） Kētai Sōsakan Sebun?, Cellphone Investigator Seven) is a 2008 Japanese television drama which aired from April 2, 2008 to March 18, 2009. It was a joint collaboration between WIZ and Production I.G. Directed by Takashi Miike, it is described as a science fiction tokusatsu action drama. It was replaced in its time slot by an animated cartoon, Mainichi Kaasan, after it ended. A second series titled K-tai Sousakan 7: Next (ケータイ捜査官７NEXT Kētai Sōsakan Sebun Nekusuto?) was distributed online beginning in May 2009.