The Mission - S1-E5
Continuity mistake: At the end of the episode the undamaged Capitol building is visible in the background, despite being destroyed in the first episode. (00:39:13)
The Mission - S1-E5
Continuity mistake: When Alex wakes up and goes to sit next to Tom, she puts her right arm around him so that her hand is hanging over his shoulder. In the next shot, her hand isn't visible even though his shoulder is and his hands are down. In the next shot, her hand is back on his shoulder and he's holding her hand.
The Mission - S1-E5
Continuity mistake: When the President is talking to the two Congresspeople in the Oval Office, there are several times when he's looking to his left or his right and the shot changes and he's now looking in the opposite direction.
The Mission - S1-E5
Continuity mistake: When we get the shot of the President sitting and holding his glasses, the glasses change position in the next shot. When his back is to the camera, he's holding them so his thumb is in between the lenses and the earpieces are facing to his left. When he's facing the camera, the glasses are flipped over so that the earpieces are facing his right.
Answer: The line of succession is VP, Speaker, President Pro Tempore, then the Cabinet Secretaries in the order the department was created. If none is qualified, then the Chief Justice or senior member if no Chief or Chief is ineligible or declines, acts as POTUS until either the House chooses a new Speaker or the Senate chooses a new Pro Tempore, whichever is first.