Arrow: Thea Reunites with Oliver and Talia in New Photo Set

As Arrow enters its eighth and final season, two familiar faces will reunite with Oliver Queen on his next adventure.

The CW has released a new set of official stills for the season's third episode, titled "Leap of Faith," showing Oliver reunited with his younger half-sister Thea and joining Talia al Ghul and the League of Assassins as they explore ancient catacombs for an unknown artifact. Meanwhile Oliver and Felicity's daughter Mia in the Arrowverse's future with Wild Dog's adult daughter Zoe Ramirez and Diggle's son Connor Hawke.

Arrow -- "Leap of Faith" -- Image Number: AR803a_0141b.jpg -- Pictured: Katherine McNamara as Mia -- Photo: Colin Bentley/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803a_0320b.jpg -- Pictured: Katherine McNamara as Mia and Andrea Sixtos as Zoe Ramirez -- Photo: Colin Bentley/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803a_0224b.jpg -- Pictured: Andrea Sixtos as Zoe Ramirez and Katherine McNamara as Mia -- Photo: Colin Bentley/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0118b.jpg -- Pictured: Willa Holland as Thea Queen, Lexa Doig as Talia Al Ghul and Stephen Amell as Oliver Queen/Green Arrow -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0010b.jpg -- Pictured: Lexa Doig as Talia Al Ghul and Stephen Amell as Oliver Queen/Green Arrow -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0297b.jpg -- Pictured: Willa Holland as Thea Queen -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0278b.jpg -- Pictured: Stephen Amell as Oliver Queen/Green Arrow, Willa Holland as Thea Queen and Lexa Doig as Talia Al Ghul -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0203b.jpg -- Pictured: Willa Holland as Thea Queen, Lexa Doig as Talia Al Ghul and Stephen Amell as Oliver Queen/Green Arrow -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0382b.jpg -- Pictured: Willa Holland as Thea Queen -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0289b.jpg -- Pictured: Lexa Doig as Talia Al Ghul -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803a_0169b.jpg -- Pictured: Joseph David-Jones as Connor Hawke -- Photo: Colin Bentley/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

Arrow -- "Leap of Faith" -- Image Number: AR803b_0371b.jpg -- Pictured: Lexa Doig as Talia Al Ghul -- Photo: Dean Buscher/The CW -- © 2019 The CW Network, LLC. All Rights Reserved.

WILLA HOLLAND GUEST STARS -- 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. Katie Cassidy directed the episode written by Emilio Ortega Aldrich & Elizabeth Kim (#803). Original airdate 10/29/2019.

An earlier released set of photos had confirmed Thea's return, with the young archer sporting a visible facial scar. With the Queens having a complicated dynamic with Talia and the League, it will be interesting to see what brings the three together for a common goal.

Returning Tuesday, Oct. 15 at 9 p.m. ET/PT on The CW, Arrow stars Stephen Amell as Oliver Queen, David Ramsey as John Diggle, Rick Gonzalez as Wild Dog, Juliana Harkavy as Black Canary, Katie Cassidy as Black Siren, Katherine McNamara as Mia Smoak, Joseph David-Jones as Connor Hawke and Ben Lewis as William Clayton-Queen.