"The Flash" season 3, episode 13 titled "Attack on Gorilla City" seems to hint Grodd and Solovar's face off. Adding on, the official synopsis and titles for the remaining part of the series have been revealed.

'The Flash Season 3' Two-Part Episode

According to the official synopsis for the Episode 13 of "The Flash," it seems like it will not be Grodd who is set to pay a visit. Spoilers suggest that the super gorilla brings another super gorilla in the series two-part episode.

As per Den of Geek report, viewers will get to see Grodd and Solovar in "The Flash". The black gorilla's upcoming appearance have been keeping the fans eager to see how will he fight the superhero. Not to mention, Solovar will also be in it.

Adding on to the excitement of the fans, the spoilers seems to be hinting that there might also be a forthcoming face off between these two super gorilla characters. Below is "The Flash" season 3, episode 13 official description:

"When Jesse Quick informs the team that her father has been abducted, Barry, Caitlin, Cisco and Julian voyage to Earth-2 on a rescue mission to save Harry from Gorilla City. As they trek through the forest, Barry and the team are immediately captured and brought to Grodd. Grodd tells them he needs their help to stop Solovar, the leader of Gorilla City, as Solovar wants to invade Earth-1. Meanwhile, back on Earth-1, Jesse and Kid Flash hit the streets to stop a metahuman that can control gravity, with H.R. and Joe guiding them from S.T.A.R. Labs."

On a different note, in "The Flash" season 3 episode 14 titled "Attack on Central City", Grodd will bring his army to Earth 1. Tough enough for our superhero and his team, they will try their best to stop the super gorilla in destroying the city. Below is the official episode description:

"When Grodd and his army of gorillas bring the battle to Earth-1, The Flash and team must find a way to stop them before they destroy Central City. Gypsy returns to join the fight. Meanwhile, Jesse Quick decides she wants to stay with Wally on Earth-1."

'The Flash' Season 3 Episode Guide for Episode 15

As for the other details for "The Flash" season 3, here is the guide for the fifteenth episode of the third installment (via TV Maze):

March 7 episode titled "The Wrath of Savitar" features Wally will have visions of Savitar but instead of seeking the help of the team, he decides to keep it as a secret. Meanwhile, a dangerous secret threatens Barry and Iris' relationship.

"The Flash" season 3, episode 13 airs on Feb. 21.