The LEGO DREAMZzz Season 4 subtheme continues the Dream Chasers' adventures in the animated series with a 2026 wave of mech and creature-inspired vehicles. The lineup includes 71508 Fox Guardian Mech, 71512 Crocodile Submarine, 71513 Nightmare Scorpion Digger, 71514 Dino Jet, and 71515 Tiger Shark Tank, ranging from around 500 to over 1,500 pieces. The sets emphasize dual-build potential and imaginative, dream-world creature designs consistent with the DREAMZzz theme's reconfigurable building style.