‘The Flash’ Season 3 Episode 16 Trailer: Barry Rescues Wally, Travels “Into the Speed Force’

Eddie Thawne and Ronnie Raymond are back in "The Flash" Season 3 Episode 16, "Into the Speed Force." Barry Allen reunites with his friends when he travels to the Speed Force for the second time to rescue Wally West.

The CW has released a promotional trailer for "The Flash" Season 3 Episode 16, which shows Barry in a tough spot inside the Speed Force. He meets some familiar faces including that of Ronnie (Firestorm), Eddie, Leonard Snart (Captain Cold) and his father Henry. The trailer also shows Caitlin Snow (Killer Frost) singing a lullaby to a baby.

According to Grant Gustin, Barry is in for a surprise when he finds his second time in the Speed Force is different. Barry thought that he faces the same challenges as he did when he went "Into the Speed Force" in Season 2, in the Kevin Smith-directed episode "The Runaway Dinosaur." "Because we did it last year, I think Barry went in knowing what to expect, more or less - but then it is not the same experience. They manipulate Barry a bit differently than they did last year," Gustin told TV Line.

Indeed, the trailer for "The Flash" Season 3 Episode 16 shows Ronnie warning Barry to leave. Eddie chastises Barry for trying to be the hero again, while Snart calls him out for not learning his lesson. A time ghoul also manages to travel "Into the Speed Force" and attempts to kill Barry. His second time in the Speed Force renders a "pretty drastic" effect on Barry's psyche, according to Gustin.

According to the synopsis from Den of Geek, in "The Flash" Season 3 Episode 16, Barry travels "Into the Speed Force" to get some answers. Eddie, Snart and Ronnie may be the ones to provide these answers. They may be tough on him, but they eventually help him with a solution on how to defeat Savitar.

Will Barry save Wally in "The Flash" Season 3 Episode 16? How can Eddie, Ronnie and Snart help Barry defeat Savitar? Find out when "Into the Speed Force" airs Tuesday on The CW.