Reunited with his sister, Oliver (Stephen Amell) and Thea (guest star Willa Holland) find themselves searching through a familiar maze of catacombs. Meanwhile, John (David Ramsey) and Lyla (guest star Audrey Marie Anderson) partner on a special ops mission.

Reunited with his sister, Oliver (Stephen Amell) and Thea (guest star Willa Holland) find themselves searching through a familiar maze of catacombs. Meanwhile, John (David Ramsey) and Lyla (guest star Audrey Marie Anderson) partner on a special ops mission.

Yass, Thea Queen!

The character that Arrow fans most hoped would put in an appearance during the final season — Oliver’s sister, played by former series regular Willa Holland — will indeed be seen again, TVLine has learned. But wait, there’s more: Holland is confirmed to not just guest-star but recur during the CW series’ 10-episode farewell run.

“We are thrilled to have Willa back in our final season,” says showrunner Beth Schwartz.

An original cast member, Holland began dialing back her Arrow appearance in Season 5 (to 14 of 23 episodes), before parting ways with the series in the 16th episode of Season 6. As that exit storyline went, Thea, with longtime love Roy Harper in tow, left Star City to trot the globe and shut down some recently unearthed Lazarus Pits.

Midway through Season 7, Roy (played by Colton Haynes) returned to present-day Star City sans Thea, due to a falling out they had had stemming from her decision to bring him back from the dead (and thus leave him with that pesky bloodlust) by utilizing a Lazarus Pit. In flash forwards to 2040, meanwhile, Roy is still alone, and bitter, without his love.

Holland last appeared on Arrow in the 12th episode of Season 7, as a talking head within a documentary that was being filmed about Oliver Queen’s rise from wealthy playboy to city-saving vigilante.

Arrow‘s eighth and final season premieres Tuesday, Oct. 15 at 9/8c.

BLACK SIREN KIDNAPS LANCE — Quentin Lance (Paul Blackthorne) is kidnaped by Black Siren (Katie Cassidy) and Cayden James (guest star Michael Emerson), who are looking to trade Lance’s life for a weapon of mass destruction. Oliver (Stephen Amell) and Team Green Arrow must figure out a way to save Lance while still keeping the city safe.

Whether or not Thea Queen survives the explosion on Lian Yu, actress Willa Holland will be back on Arrow this season. Showrunner Marc Guggenheim, though, hints that some of her episodes could be in flashback.

Thea’s absence in the second half of Arrow‘s fifth season was noted by many fans, but Guggenheim told ComicBook.com that it was the by product of Holland’s own request to scale back her time on set. While the explosion at the end of season 5 might seem like the ideal way to get rid of an actor who doesn’t want to be onscreen all the time, Guggenheim has said in the past that he doesn’t imagine that Thea will die on his watch, since Oliver has already lost both parents.

“We love Willa, we love Thea the character and we particularly love Thea’s relationship with Oliver,” Guggenheim told ComicBook.com. “That said, Willa came to us at the end of season four and she, very honestly, expressed a desire to cut back how many episodes a season she was doing. She’s a member of our family, and we wanted to honor that request. That’s what happens when you have a show that goes over a hundred episodes, people start to say, ‘hey, I would like to pull back,’ some people don’t want to renew their contract. There’s a whole host of different things that start to come into play and you work that into the story telling.”

So what’s next for the character?

“All I’ll say really, and you can interpret this however you want, is Willa is back on the show and we are doing flashbacks from people’s perspective that does not always include Oliver’s,” Guggenheim said. “I’ll let you extrapolate from that what you will.”

Arrow returns to The CW on Thursday at 9 p.m. ET/PT following the season premiere of Supernatural.