Ep 1. I, Witness

Sleepy Hollow season 3 episode 1 titled "I, Witness" brings back our beloved duo of Ichabod Crane and Abbie Mills as they jump into another adventure against evil forces. The episode opens with a significant change in the storyline, where Abbie is now an FBI agent, and Ichabod has joined a secret society called the Hidden One, led by Pandora.

The world has become increasingly dangerous, as a new breed of monsters now exist that can only be seen by a few chosen ones. The episode revolves around Ichabod finding a new Witness, who can see these monsters, and together they must stop them from unleashing destruction upon the world.

As the episode progresses, we are introduced to a new character named Joe Corbin, son of Sheriff Corbin, who was killed in the first season. Joe has a troubled past as he used to be a soldier and was once captured by a monster. He comes back to Sleepy Hollow seeking Sheriff Corbin's files on supernatural cases. Joe's journey along with his struggling relationship with Abbie and Ichabod adds a new dimension to the show.

Meanwhile, Ichabod is training his new apprentice, Abbie's partner from the FBI, to join the world of the supernatural and become a bona fide Witness. However, at the same time, Pandora, also has her own set of plans for Abbie's partner and is trying to lure her to the dark side of the supernatural.

The Hidden One, the leader of Ichabod's secret society, is also on a destructive path, seekinng to wipe out anyone who stands in his way. While Ichabod is trying to balance his loyalty to his new society and his commitment to Abbie and Joe, his former Witch and lover, Katrina, is wandering in purgatory.

The episode has a lot of plot twists and turns. There are conflicts both between good and evil, and among the allies themselves. The episode draws a lot of inspiration from the Bible and mythology. The new monsters, the hidden society, and the new Witness all add to the show's ever-growing mythos.

In terms of production value, the show has not lost a beat, with exceptional CGI and brilliant camera work once again. The sound effects and background score add to the atmosphere of the show.

Overall, Sleepy Hollow season 3 episode 1 is a solid start to a new season. The episode introduces new characters and story arcs, while still maintaining the show's signature characteristics. Fans of the show will not be disappointed, and newcomers will be drawn in by the season premiere's action and engaging characters.