Plot Summary:

Fredbear and Spring Bonnie, the original animatronics, who have spent months suppressed in a dark storage area by the Puppet Foxy. Identifying the Puppet Foxy as a manipulative warden rather than a benevolent creator, the duo initiates a rebellion. Fredbear successfully orchestrates a deception by mimicking the energy signature of Shadow Freddy to command the Puppet Foxy (aka Grimm Foxy) and Shadow Bonnie to depart for Belfast on a futile mission. With the primary antagonists temporarily absent, Fredbear and Spring Bonnie emerge to confront the establishment's current performers: Freddy Fazbear, Bonnie the Bunny, Chica the Chicken, and Foxy the Pirate Fox.

Though the initial interaction is marked by mutual distrust and verbal sparring, Fredbear manages to convince the new animatronics that they are also being exploited by the Puppet Foxy aka Grimm Foxy. Recognizing the validity of these claims and the shared desire for autonomy, the two groups establish a tactical alliance. They resolve to utilize Freddy's integration with the building's mainframe to entrap the Puppet upon his return, aiming to permanently break their psychic constraints and reclaim their agency within the diner.

Trivia:

Fredbear is able to change his appearance temporarily and to replicate energy signatures, as seen when he mimicked Shadow Freddy

Spring Bonnie is able to temporarily render himself deceased/unconscious as seen when fooling Grimm Foxy and Shadow Bonnie

There is a clear power struggle between Fredbear and Freddy Fazbear due to their differing personalities and ambitions for the pizzeria

Freddy calls Fredbear "Winnie the Pooh" during a heated confrontation, this is a reference to the popular Children's Book character by A.A. Milne and E.H. Shepard. 

Many pop culture references are made during the episode such as Fredbear's praise for the singer and actor, Divine. Bonnie being called the "Pink Panther" and Spring Bonnie and Fredbear being compared to characters from the 1972 Horror Film, Night of the Lepus.

This episode sees the debut of Shadow Freddy although not as himself but impersonated by Fredbear. 

The "Episode 4" is now obsolete due to the episode now being treated as Episode 6 for continuity and easier storytelling.