files 4th episode second season 28th overall science fiction television series files episode aired united_states october fox episode written supervising producer directed earned nielsen rating viewed million households episode received positive reviews critics centers fbi special agents fox_mulder david_duchovny dana_scully gillian_anderson work cases linked paranormal called files episode mulder assigned new partner investigate case doctors soldiers sleep experiment killed featured recurring character portrayed progress mulder partner enemies episode writer inspired cases season chris_carter written similar themed episode stopped working unhappy result plot new_york_city finds fire outside apartment firefighters arrive find fire related damage discover body mulder anonymously receives tape cassette tries case learn fbi agent opened deciding leave loop mulder calls scully gillian_anderson asks conduct autopsy mulder heads clinic connecticut confronted angered travel scully says body showed signs fire believed burning brooklyn apartment vietnam veteran approached fellow marine suddenly group wounded vietnamese appear gun examining corpse mulder find neck realize special forces stationed vietnam survivors cole head hospital new_jersey discover cole discharged despite fact doctor remember mulder meets mysterious gives information secret military project performed need sleep provides squad member mistakenly reported killed action man matching cole description drug store mulder arrive heard room cole believed appears officers room shot cole escapes mulder believes cole years provided abilities mulder meet soon says slept years experiment reveals doctor squad actually performed mulder subway station expected arrive funeral mulder sees cole cole shoot shown mulder head reality cole captured holds hostage similar fate victims searching surveillance footage track location find wounded mulder finds cole ready kill believing cole holding gun instead bible actually holding shoots cole dies wounds mulder scully find files case missing reports smoking man telling dissolution x-files separation mulder scully ineffective determination stronger notes scully bigger problem anticipated production writer initially inspired write episode based suffering time gordon wrote episodes season solo writing debut episode originally chris_carter written script season shared theme original carter episode makes perfect soldier liked twist sleep noting sleep demons released dreams explained characters haunted memories real life able sleep carter sees episode favorites episode marked appearance carter interest replaced dana_scully mulder new partner previously appeared different character season episode directed thought strong choice fresh agent creating writers mind recurring character agreed character work kill marked screen appearance fox_mulder new source character originally intended woman actress cast role shooting scene role recast williams actor previous experience writers actor originally earned role replaced writing staff felt able create right chemistry stars reception earned nielsen household rating share viewed million households united_states nominated primetime emmy award category outstanding individual achievement editing series single camera production win chris_carter enjoyed episode saying love great idea executed good cast wonderful saying beautifully directed entertainment_weekly rated considering performance good story great gave episode saying best remembered introduction web site stated episode decent fairly standard exploration early season episodes sfx named episode sci introduction robert_shearman lars_pearson book wanting believe critical guide lone gunmen rated episode stars noted gordon able vietnam war guilt feel personal shearman pearson noted revelation enemy biggest shame episode zack_handlen wrote episode standard riff important features screen introduction
Sleepless (The X-Files)