Both shows feature an ensemble of enhanced individuals that use their martial arts to take down bad guys. Both shows are action oriented and full of great fights. One is sci fi, whereas the other is supernatural.

Both shows deal with corrupt politicians vying to obtain evidence to take one another down. While Designated Survivor contains significantly less action, the plots regarding the plotting politicians are very similar.

Both shows feature male leads who are incredible martial artists; confident and capable they plot their revenge and execute it with perfection, dealing with whatever hurdles may come at them. Similar series. Both excellent. Excellent fight choreography in both.

Both shows are action oriented and feature larger-than-life politicians hellbent on destroying one another. Similar concepts.

Both shows feature a male lead who is an incredible fighter that uses their confidence, skills, fearlessness and above all -- martial arts to protect/save those they love and get the bad guys. Non stop action.