No. Title Directed by Written by Original air date UK viewers (millions) "The Date '' James Strong Harry Williams & Jack Williams 11 September 2017 (2017 - 09 - 11) 8.86 School teacher Laura Neilson goes on a date with Andrew Earlham, whom she then accuses of rape, but who is lying? "I Know You 're Lying '' James Strong Harry Williams & Jack Williams 18 September 2017 (2017 - 09 - 18) 8.5 Andrew and Laura take time away from their jobs. Laura 's past becomes exposed as a figure from her past returns. "White Rabbit '' James Strong Harry Williams & Jack Williams 25 September 2017 (2017 - 09 - 25) 8.87 A student is in need of Laura and Andrew 's help. Laura 's case will not be prosecuted. Katy 's husband begins to suspect something. "Catherine '' Samuel Donovan Harry Williams & Jack Williams 2 October 2017 (2017 - 10 - 02) 8.82 Laura travels to Edinburgh to try to find out more about the mysterious death of Andrew 's first wife Mary, and discovers that one of his victims had been Mary 's friend Catherine. 5 "Check Mate '' Samuel Donovan Harry Williams & Jack Williams 9 October 2017 (2017 - 10 - 09) 9.03 Laura 's resolve to bring Andrew to justice deepens and she enlists Tom 's help in her plan. However, when a deception in Laura 's personal life comes to light, she is left with no one to turn to, and she resorts to dangerous methods to force Andrew. 6 "The Marshes '' Samuel Donovan Harry Williams & Jack Williams 16 October 2017 (2017 - 10 - 16) 9.49 Three months pass after Andrew enlists Luke as an alibi, Laura has decided to get on with her life, until she and Andrew meet again. It turns out that Vanessa could not prove Andrew guilty, Laura learns that Andrew may have recorded his crimes, and the final match between the two is set to have violent consequences.
how many episodes are there in liar itv
6 6 6 6