Watch Online Free on Watchseries. Conor pledges to improve the Mach 6's stealth systems after an unsuccessful training exercise. Before Conor is able to make the final modifications, Zile's goons attempt to capture the Mach 6. Speed and the others must work fast in order to escape and ensure he never obtains its secrets while Annalise, now in charge of the company, tries to finish what her father started.