 When the discussion came to inserting the DS9 crew into the bar @-@ brawl scene , Berman liked the idea but was unsure if it could actually be done . Visual effects supervisor Gary Hutzel created test footage and screened it for Behr and Moore , who thought that it was simply footage from the original episode . Once Hutzel revealed that an additional security officer had been seamlessly added to the sequence , the episode was green @-@ lit . During the scripting process , " The Trouble with Tribbles " was regularly consulted , so the writers could decide where to insert characters . The Temporal Agents , Dulmer and Lucsly , were so named as they were anagrams of Mulder and Scully from The X @-@ Files . 
 When the discussion came to inserting the DS9 crew into the bar @-@ brawl scene , Berman liked the idea but was unsure if it could actually be done . Visual effects supervisor Gary Hutzel created test footage and screened it for Behr and Moore , <a href='null_relcl' title='1'><mark>who</mark></a>thought that it was simply footage from the original episode . Once Hutzel revealed that an additional security officer <a href='been_done' title='2'><mark>had</mark></a> been seamlessly added to the sequence , the episode was green @-@ lit . During the scripting process , " The Trouble with Tribbles " was regularly consulted , so the writers could decide where to insert characters . The Temporal Agents , Dulmer and Lucsly , <a href='uninflect' title='3'><mark>were</mark></a> so named as they <a href='uninflect' title='4'><mark>were</mark></a> anagrams of Mulder and Scully from The X @-@ Files . 
When the discussion came to inserting da DS9 crew into tdabar @-@ brawl scene , Berman liked the idea but was unsure if it could actually be done . Visual effects supervisor Gary Hutzel created test footage and screened it for Behr and Moore , thought that it was simply footage from the original episode . Once Hutzel revealed that an additional security officer done been seamlessly added to thdaequence , thedaisode was green @-@ lit . During the scripting process , " The Trouble with Tribbles " was regularly consulted , so the writers could decide where to insert characters . The daporal Agents , Dulmer and Lucsly , was so named as they was anagrams of Mulder and Scully from The X @-@ Files .