It's official: Jay Garrick and Jesse Quick have returned for The Flash Season 4. The two speedsters will turn up for "Enter Flashtime," next week's episode of The CW series.

"Enter Flashtime" will be the first time both Jay Garrick and Jesse Quick have shown up in person for Season 4. While Garrick has only been mentioned by name this season, Quick did appear digitally. The Earth-2 speedster appeared briefly in a hologram in the third episode, but only to breakup with her boyfriend Wally "Kid Flash" West. According to her father Harry Wells, Jesse has been busy building her own superhero team back home in their universe.

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According to the episode description,

JESSE QUICK AND JAY GARRICK TEAM UP WITH THE FLASH — When a nuclear bomb detonates in downtown Central City, Barry (Grant Gustin), Jesse Quick (guest star Violett Beane) and Jay Garrick (guest star John Wesley Shipp) slow down time by entering Flashtime. As everyone in the city is frozen, the three speedsters push themselves to the breaking point to save the city and everyone in it. Gregory Smith directed the episode written by Todd Helbing & Sterling Gates (#415). Original airdate 3/6/2018.

Airing Tuesdays at 8 pm ET/PT on The CW, The Flash stars Grant Gustin as Barry Allen, Carlos Valdes as Cisco Ramon, Danielle Panabaker as Caitlin Snow, Candice Patton as Iris West, Jesse L. Martin as Joe West, and Tom Cavanagh as Harry Wells, with guest appearances from Keiynan Lonsdale as Wally West and Hartley Sawyer as the Elongated Man.