LEGO® NINJAGO | Season 4 Episode 16: Darkness Within - YouTube
SNEAK PEEK : "LEGO Ninjago: Season 4 Crystallized"
Watch LEGO: NINJAGO: MASTERS SPINJITZU: REBTD: The Complete Fourth Season | Prime Video
Amazon.com: LEGO Ninjago: Masters of Spinjitzu: Rebooted Season 4 (DVD) : Torsten Jacobsen, Erik Wilstrup, Kevin Hageman, Dan Hageman, IRENE SPARRE, WIL FILM, Trylle Vilstrup, Paul Dobson, Brent Miller, Vincent Tong, Kirby
Lego Ninjago Masters of Spinjitzu - Season 4 Volume 2 - DVD (Region 2, 4): Amazon.co.uk: DVD & Blu-ray
LEGO® Ninjago Tournament of Elements: Season 4 - Official Trailer - Warner Bros. UK - YouTube