"Luke's Back" is the twelfth episode of BUNK'D.
Luke reunites with his siblings to get some summer school help from Ravi. Meanwhile a turf war erupts between Camp Kikiwaka and the rival camp across the lake to win the spot. When Camp Kikiwaka got the spot back, Luke said that he's been getting A's at the summer school and the real reason he camp to Camp Kikiwaka was because he missed his siblings.
- Peyton List as Emma Ross
- Skai Jackson as Zuri Ross
- Karan Brar as Ravi Ross
- Miranda May as Lou Hockhauser
- Kevin Quinn as Xander McCormick
- Nathan Arenas as Jorge Ramirez
Special Guest Star
- Hazel said that Emma and Eric look alike, because Eric is played by Spencer List who is actually Peyton List's twin brother.