When the temperature drops, Lou deems it “Christmas in July!” Gwen reveals she doesn’t understand Christmas traditions, so Lou shows her what real Christmas spirit is all about. Meanwhile, the boys have a hard time cutting down a tree they found in the forest, while Ava tries to find out why Destiny is hostile toward Christmas.
- Miranda May as Lou Hockhauser
- Mallory James Mahoney as Destiny Baker
- Will Buie Jr. as Finn Sawyer
- Raphael Alejandro as Matteo Silva
- Shelby Simmons as Ava King
- Scarlett Estevez as Gwen Flores
- Israel Johnson as Noah Lambert
- This is a Christmas special.
- This is the last episode to air in 2019 as well as the final one to air in the 2010s decade.
- At the end of the episode the music from the series finale of Jessie when Jessie was leaving for Los Angeles played.
- it is revealed that Destiny's grandpa died before this season.
The image gallery for Summer Winter Wonderland may be viewed here.