2017

The following is about significant events that happened in 2017.

January

• 1 - The first wave of 2017 LEGO Ninjago sets were officially released in the United States.
• 25 - Five year anniversary of "Snakebit".
• 31 - An alternative version of "Day of the Departed" was released.

February

• 1 - Five year anniversary of "Never Trust a Snake".
• 8 - Five year anniversary of "Can of Worms".
• 8 - The first trailer for The LEGO Ninjago Movie was released.
• 14 - The Untold Tales of Skybound book was released.
• 15 - Five year anniversary of "The Snake King".
• 22 - Five year anniversary of "Tick Tock".
• 28 - The Hands of Time book was released.

March

• 7 - Five year anniversary of "Once Bitten, Twice Shy".
• 13 - "The Hands of Time" aired in Canada.
• 14 - Five year anniversary of "The Royal Blacksmiths".
• 14 - "The Hatching" aired in Canada
• 15 - "A Time of Traitors" aired in Canada.
• 16 - "Scavengers" aired in Canada
• 21 - Five year anniversary of "The Green Ninja".
• 28 - Five year anniversary of "All of Nothing".

April

• 4 - Five year anniversary of "The Rise of the Great Devourer"; first episode of The Hands of Time airs in the UK.
• 11 - Five year anniversary of "Day of the Great Devourer".

May

• 15 - LEGO Ninjago: Masters of Spinjitzu Season 7 premiered in the United States.

July

• 18 - Five year anniversary of "Darkness Shall Rise".
• 22 - The second trailer for The LEGO Ninjago Movie was released.
• 22 - A teaser for LEGO Ninjago: Masters of Spinjitzu season 8 was released.
• 25: Five year anniversary of "Pirates vs. Ninja".

August

• 1: Five year anniversary of "Double Trouble".
• 8: Five year anniversary of "Ninjaball Run.
• 15: Five year anniversary of "Child's Play.
• 22: Five year anniversary of "Wrong Place, Wrong Time".

September

• 5 - LEGO Ninjago: Masters of Spinjitzu season 7 was released on DVD in the United States.
• 7 - The Book of Spinjitzu was released.
• 22 - The LEGO Ninjago Movie was released in the United States.
• 26 - The Making of the Movie was released.

October

• 3: Five year anniversary of "The Stone Army".
• 10: Five year anniversary of "The Day Ninjago Stood Still".
• 17: Five year anniversary of "The Last Voyage".
• 24: Five year anniversary of "Island of Darkness".
• 29: The first chapter of the non-canon novel Way of the Departed was released.

November

• 7: Five year anniversary of "The Last Hope".
• 14: Five year anniversary of "Return of the Overlord".
• 21: Five year anniversary of "Rise of the Spinjitzu Master".
• 27: Ninjago: Decoded premiered in the United States with Legacy.

December

• Unknown - The Sons of Garmadon sets start showing up in stores in the United States and Canada.
• 4: Ninjago: Decoded episode "Vehicles and Mechs" aired in the United States.
• 11: Ninjago: Decoded episode "Legendary Places" aired in the United States.
• 18: Ninjago: Decoded episode "Ninjago's Most Wanted" aired in the United States.
• 25: Ninjago: Decoded episode "The Digiverse and Beyond" aired in the United States.