Conclusion. Henry and Tesla learn that the SCIU weaponized Tesla’s work to use against Abnormals; Bigfoot and Kate investigate Caleb’s rise to power while Will and Abby look into Magnus’ past in the Season 4 finale.
Part 1 of 2. Caleb asks Magnus to help broker a peace deal between his insurgents and the governments on the surface; Addison reactivates Will’s federal commission; Tesla resurfaces
A quest to capture a legendary Abnormal in Bolivia leaves Will and Magnus injured and trapped in a cave-in, where they confront truths about themselves and their relationship; Henry records video letters to a special someone while working on an invention.