The following is about significant events that happened in 2017.
January[]
- 2: The third season sets were released on LEGO.com in North America.
- 4: Three Character Spots were released on YouTube.
- 5: The Character Spots for the Nexo Knights were released on YouTube.
- 31: The Forbidden Power was released.
February[]
- 4: "The Cloud" aired in the United States.
- 11: "A Little Rusty" aired in the United States.
- 18: "Mount Thunderstrox" aired in the United States.
- 25: "Rotten Luck" aired in the United States.
- 26: Ultimate Factivity Collection was released
March[]
- 2: The Forbidden Power was released.
- 4: "Storm Over Rock Wood" aired in the United States.
- 11: "Miner Setback" aired in the United States.
- 15: Book of Mazes was released.
- 18: "Knight at the Museum" aired in the United States.
- 25: "Hot Rock Massage" aired in the United States.
April[]
- 8: "Rock Bottom" and "In Charge" aired in the United States.
June[]
- 1: The fourth season sets first appeared on LEGO.com in most countries.
- 7: The Book of Monstrox was released.
August[]
- 1: The fourth season sets released on LEGO.com in North America and Build Your Own Adventure was released.
- 21: "Weekend at Halbert's" aired in the United States.
- 22: "The Gray Knight" aired in the United States.
- 23: "The Good, the Bad and the Tightwad" aired in the United States.
- 24: "In His Majesty's Secret Service" aired in the United States and Clash, Boom, Bang! was released.
- 25: "The Stranger in the Halps" aired in the United States.
- 28: "Krakenskull" aired in the United States.
- 29: "Heart of Stone" aired in the United States and World of Nexo Knights Heroes and Power Up! were released.
- 30: "Between a Rock and a Hard Place" aired in the United States.
- 31: "March of the Colossus" aired in the United States.
September[]
- 1: "The Fall" aired in the United States, concluding the series.
- 5: Character Encyclopedia was released.
November[]
- 26: The fifth season sets appeared on LEGO.com in North America.
December[]
- 29: The fifth season sets were released on LEGO.com in most countries.