concentrate ask concentrate ask 12th episode season american science fiction drama television series fringe 55th episode overall episode fringe division help troubled man investigation mysterious blue killing powder guest starred wrote episode directed episode aired united_states february estimated million viewers initial broadcast percent drop viewership previous friday episodes concentrate ask received mixed positive reviews television critics writers praising advancement series mythology criticizing main mystery plot plot lead scientist company killed blue powder turns bones dust fringe division traces source package contained powder marine search home peter finds man nearby gives chase man hit car knocked coma fears involved targeted attacks walter suggests read man mind learn plot ability patients simon unable control abilities isolated general population decades finds comfort able read mind olivia fellow patient olivia convinces simon help ongoing investigation despite mental suffer large crowded city boston time olivia explains concerns peter wondering feels attraction alternate self parallel universe military contractors killed release compound elevator confirming fears simon ability help team learn project secret military project man involved aimed developing chemical agent destroys skeletons given effects chemical agent exposure passed children developed skeletons realizing men seeking revenge involved fringe team determines identity intended victim military general running public office simon help olivia able targets release powder dinner gala general olivia returns simon home hands envelope contains read peter thoughts plots recovered different translations people including personal safe realizes thing different languages identifies author book bowling alley owner directed olivia initial return parallel universe approaches sam deny wrote books explains device constructed create destroy universe work depend peter tuned device sam peter likely save universe olivia loves originates episode ends olivia reading note simon states peter feelings production concentrate ask written producer story editor assistant series creator episode wrote season episode abducted writing credit season episode dream electric sheep directed episode fringe credit season episode august concentrate ask featured guest star credit series guest actor returned recurring character episode featured guest stars new characters respectively thompson called kind role actors dream described episode material compelling perfectly written matter getting way creators created anxious come wondering ruined beauty read script fringe episodes fox released science lesson plan collaboration grade school children focusing science seen concentrate ask intention having students learn bones nature chemical physical composition reception ratings concentrate ask watched estimated million viewers united_states initial broadcast earning rating percent drop viewership previous friday episodes day time shifted taken account million viewers ultimately watched concentrate ask including percent increase age group largest percentage gains week reviews episode received mixed fairly positive reviews entertainment_weekly staff member ken_tucker called concentrate ask completion trilogy episodes bring lot mythology believe main plot fascinating commenting passed episode instead tucker enjoyed smaller details episode room items owned praised guest actor performance fanatic noted concentrate ask little drive story forward brilliant job making question nonetheless commented near intense ign writer think particularly remarkable core elements story old formula fringe x-files frequently episode generous helping little revealing character elements praised final minutes ing interesting action olivia ending case revelation simon note conjunction sam knowledge people ultimately graded episode highlighted episode opening scene review best television kills
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