Season 4 is a subtheme of DREAMZzz that consists of 5 sets released this year. All sets were released in 2026. Currently, the average annual growth of sets in DREAMZzz Season 4 is approximately 7.3% per year, however, an increase in the near future is expected.
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.