Files" co-star Gillian Anderson. "The part of this conversation that is the trickiest part for me is, I guess, I would talk about my failure of friendship or my failure of companionship or just co-starring,

The costars reunited on Duchovny's 'Fail Better' podcast to talk about the tougher times during their hit show's initial run

The former co-stars — who shot to fame in the 1990s by playing FBI agents Fox Mulder (Duchovny) and Dana Scully (Anderson) on the sci-fi hit “The X-Files” — recently reunited on Duchovny’s podcast, “Fail Better,” and Duchovny didn’t waste any time discussing the messier aspects of their dynamic.

David Duchovny said he had a “failure of friendship” with “X-Files” co-star Gillian Anderson when the hit sci-fi series was at its peak in the 1990s.

The X-Files stars David Duchovny and Gillian Anderson look back at how the show's success and the pressures from it impacted them off-camera.

In a candid conversation on his Fail Better podcast, David Duchovny opened up about the highs and lows of his decades-long friendship with The X-Files co-star Gillian Anderson. Despite their iconic on-screen chemistry as FBI agents in the show’s 11-season run, Duchovny revealed that off-camera tensions sometimes led to weeks without speaking.

David Duchovny and Gillian Anderson had incredible chemistry on The X-Files as beloved characters Mulder and Scully, but apparently things weren't always so rosy behind the scenes. The duo opened up about their years-long friendship during the Tuesday,