VANCOUVER -- The FBI’s “most unwanted” have returned to Vancouver after almost 20 years on hiatus from filming of the cult TV hit “The X-Files.”

Fans have put star sightings of David Duchovny and Gillian Anderson on their personal “most wanted” lists, staking out filming locations for a glimpse of the actors.

Filming took place Tuesday on the 800 and 900 blocks of Hastings Street in Vancouver’s business district with Anderson and Duchovny reprising their roles as FBI Agents Scully and Mulder, donning more casual attire rather than their characters’ traditional black FBI-approved suits.

“The X-Files” ran for nine seasons, making its debut in 1993 and wrapping up production in 2002. It was one of the first big network hits for Vancouver’s fledgling TV and film industry.

The show focused on investigations into the paranormal and otherworldly, with Duchovny and Anderson searching for the truth about alien life amidst government cover-ups.

William B. Davis, who played the show's villain "The Smoking Man", has yet to be spotted but confirmed in an earlier interview with CTV Vancouver that he would be making an appearance.

The series spent five seasons on Canada's West Coast before moving to Los Angeles in 1999.

The 2008 movie “The X-Files: I Want to Believe" was also filmed in and around Vancouver.

Fans aren’t the only ones excited about the start of filming. Duchovny has been snapping photos of himself exploring the city and posting them to Twitter.

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In comparison to Duchovny’s tourist shots, Anderson has kept her photos a bit more work focused. This is a shot of the box the diminuitive performer stands on in her scenes with Duchovny:

As for X-Files creator and director Chris Carter, he had a simple photo to mark the return to Vancouver and the start of filming.

 

Day 1. #thexfiles @thexfilesfox

A photo posted by Chris Carter (@chriscarter1013) on

The six-episode reboot is due to start in January 2016.