Photos released from the Legends of Tomorrow Season 4 finale show the team encountering R&B star Sisqó as they try to escape an oppressive realm right out of George Orwell's acclaimed novel, 1984.

In "Swan Thong," Sisqó is in one of the exhibits in the "Museum of Free Will." The episode title plays on the title "Thong Song," Sisqó's 1999 hit from his debut solo studio album Unleash the Dragon. The synopsis of the episode can be found below:

DC's Legends of Tomorrow

Swan Thong (Ep# 515)

SEASON FINALE -- Still controlled by the Fates, the Legends find themselves in 1984-esque world, they soon discover that things aren't as they thought they would be. The Legends must convince the civilians to trust them and stand up for their right to choose, but the Fates don't make it easy by resurrecting the Encores once again. Caity Lotz, Jes Macallan, Dominic Purcell, Nick Zano, Tala Ashe, Maisie Richardson-Sellers, Olivia Swann and Matt Ryan also star. Kevin Mock directed the episode written by Keto Shimizu & Morgan Faust (#515). Original airdate 6/2/2020.

RELATED: Legends of Tomorrow's Season Finale Features a Sisqo Performance

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515c_0473b.jpg -- Pictured (L-R): Caity Lotz as Sara Lance/White Canary, Matt Ryan as Constantine, Olivia Swan as Astra, Dominic Purcell as Mick Rory/Heatwave and Nick Zano as Nate Heywood/Steel -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.
Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515b_0217b.jpg -- Pictured: Sisqo -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.
Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515b_0432b.jpg -- Pictured (L-R): Sisqo and Nick Zano as Nate Heywood/Steel -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.
Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515c_0134b.jpg -- Pictured: Dominic Purcell as Mick Rory/Heatwave -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515a_0012b.jpg -- Pictured (L-R): Olivia Swan as Astra, Matt Ryan as Constantine, Caity Lotz as Sara Lance/White Canary, Tala Ashe as Zari and Shayan Sobhian as Behrad Taraz -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515a_0093b.jpg -- Pictured (L-R): Shayan Sobhian as Behrad Taraz, Tala Ashe as Zari, Matt Ryan as Constantine, Olivia Swan as Astra and Caity Lotz as Sara Lance/White Canary -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515a_0107b.jpg -- Pictured (L-R): Matt Ryan as Constantine and Caity Lotz as Sara Lance/White Canary -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515a_0190b.jpg -- Pictured (L-R): Caity Lotz as Sara Lance/White Canary and Joanna Vanderham as Atropos -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515a_0184b.jpg -- Pictured (L-R): Caity Lotz as Sara Lance/White Canary and Joanna Vanderham as Atropos -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515b_0118b.jpg -- Pictured (L-R): Caity Lotz as Sara Lance/White Canary and Matt Ryan as Constantine -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515b_0186b.jpg -- Pictured (L-R): Nick Zano as Nate Heywood/Steel and Jes Macallan as Ava Sharpe -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515b_0238b.jpg -- Pictured (L-R): Nick Zano as Nate Heywood/Steel and Jes Macallan as Ava Sharpe -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515c_0059b.jpg -- Pictured: Caity Lotz as Sara Lance/White Canary -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515c_0257b.jpg -- Pictured (L-R): Courtney Ford as Marie Antoinette and Olivia Swan as Astra -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Legends of Tomorrow -- "Swan Thong" -- Image Number: LGN515c_0232b.jpg -- Pictured (L-R): Dominic Purcell as Mick Rory/Heatwave and Courtney Ford as Marie Antoinette -- Photo: Bettina Strauss/The CW -- © 2020 The CW Network, LLC. All Rights Reserved.

Aside from Sisqó's performance, the photos showcase the team taking on encores of the Encores they faced in earlier episodes of the season, including Courtney Ford's Marie Antoinette. Ford left the show as a series regular in the seventh episode of the current season, titled "Romeo v. Juliet: Dawn of Justness," along with longtime Arrowverse star and real-life husband Brandon Routh.

Airing Tuesdays at 9 p.m. ET/PT on The CW, DC's Legends of Tomorrow stars Caity Lotz, Dominic Purcell, Nick Zano, Maisie Richardson-Sellers, Tala Ashe, Matt Ryan and Jes Macallan. The Legends of Tomorrow Season 4 finale, directed by Kevin Mock and written by Keto Shimizu & Morgan Faust, airs on June 2.

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