Tonight's season one finale of 'The Flash' was less about time travel and more about character choices and their effects. Would you travel back in time to alter the present? Would you sacrifice yourself to change the future? And is the possibility of creating a black hole EVER worth the risk?
Barry lays all his cards out on the table as the S.T.A.R. Labs team sets a trap for the evil Dr. Wells. Will the mad scientist fall victim to their conspiracy, or will he be able to stay one speedy step ahead of them once again?
If you don't know Harrison Wells' story by this point in the season, then this episode will catch you up to superspeed. If you don't know who Harrison Wells is by the end of the episode, well then you're just watching TV all wrong.