Nya fights possessed samurai armor at the museum while investigating the Vermillion's activities. More details on the Time Twins' history ? A summary of what happens in the next episode ? "Ninjago" A Time of Traitors (TV Episode 2017) - IMDb
Lloyd struggles with his role as a leader in training while Master Wu is incapacitated due to the Time Punch. [S7E3] A Time of Traitors
Nya, Jay, and Cole focus on trying to reboot Zane after he was knocked offline in his first battle with the Vermillion. Continuity Features: Nya fights possessed samurai armor at the museum
Here are the key "helpful" features, secrets, and plot points to look for in this episode: "Ninjago" A Time of Traitors (TV Episode 2017)
The golden sarcophagus that traps Cyrus Borg is the same one the Serpentine tried to steal in Season 1, Episode 10 ("Child's Play").
Kai’s vision of his parents isn't a true flashback, but rather his mind’s interpretation of the scene, which explains why baby Nya is wearing her modern Water Ninja attire.