"Castle" season 7 spoilers could be revealed in Nathan Fillion's Twitter account if viewers are lucky as the actor is actively engaging with fans. Meanwhile, creator Andrew Marlowe's wife has assured that he's not leaving the show.

While cast Nathan Fillion has yet to reveal "Castle" season 7 spoilers, he did say what he wants for the very last episode of the hit TV show.

On June 10, in reply to a user's question of what he likes to see happen in the last ever episode of Castle, the actor wrote: "Castle dies, Derrick Storm style."

Derrick Storm is the fictional character created by a fictional character that is Richard Castle. According to the story, Derrick Storm died in Clara Strike's arms in the novel "Storm Fall."

Meanwhile, Breathecast reported that Andrew Marlowe is not stepping down when "Castle" season 7 returns, based on the tweet of writer Terri Edda Miller.

In a tweet response on the clamor by fans to let Andrew Marlowe stay, Terri Edda Miller wrote: "For those expressing concern: @andrewmarlowe & I aren't leaving #Castle. Still here full time [for season seven]. Amann's just assuming more responsibility."

Meanwhile, creator Andrew Marlowe dished out "Castle" season 7 spoilers when he posted on Twitter a teaser photo along with the caption: "Wanna see a cool picture of my office light switch? I find it fascinating."

The photo showed that there are 23 episodes for season 7 of Castle.

According to Unreality Primetime website, which revealed potentially "Castle" season 7 spoilers when it noted that episodes 11 and episode 17 are circled in blue pen.

"What the potential significance of these two episodes are remains to be seen, although it's sure got us curious!" the website said. "Could it be that these are the episodes that James Brolin, aka Castle's Dad, is set to appear in?"

"Castle" season 7 is set to air on ABC this fall.