The plot details for this milestone episode has been kept a secret and as the synopsis reveals, it will be centured around Barry and Nora travelling back in time to “gather some key necessities” to stop Cicada.
Check out the newly released synopsis of the episode below:
“TOM CAVANAGH DIRECTS THE 100TH EPISODE — In the 100th episode, Barry (Grant Gustin) and Team Flash come up with a plan to stop Cicada (Chris Klein). However, the plan calls for Barry and Nora (Jessica Parker Kennedy) to travel back in time to gather some key necessities. However, Barry hesitates, concerned about his daughter seeing certain parts of his life. Meanwhile, Sherloque (Tom Cavanagh) takes his concerns about Nora to Iris (Candice Patton), and Caitlin (Danielle Panabaker) turns up a key asset in the fight against Cicada.
Tom Cavanagh directed the episode written by Todd Helbing & Lauren Certo.”
The Flash stars Grant Gustin as Barry Allen/The Flash, Candice Patton as Iris West, Danielle Panabaker as Caitlin Snow/Killer Frost, Carlos Valdes as Cisco Ramon/Vibe, Tom Cavanagh as Harrison Wells, Jesse L. Martin as Detective Joe West, Danielle Nicolet as Cecile Horton, Hartley Sawyer as Ralph Dibny/Elongated Man, Jessica Parker Kennedy as Nora West-Allen/XS, and Chris Klein as Cicada.
The season follows Barry, a crime scene investigator with superhuman speed who fights criminals, including others who have also gained superhuman abilities, as he deals with the consequences of his future daughter’s time traveling.