But Regina knows Emma 's true identity and has retrieved her poisoned apple (the same one she used on Snow White) in order to use it on Emma in the form of an apple turnover. Henry takes a bite of the turnover, collapses to the floor unconscious, and proves to Emma the curse is real. Emma, who now starts to believe after seeing flashbacks of her true past, is forced to forge an alliance with Regina and retrieves Rumplestiltskin 's true love potion from underneath the Clock Tower, only to have Mr. Gold steal it leaving Emma halfway up the elevator shaft and Regina tied to a chair and gagged.
when does emma start believing in the curse
after seeing flashbacks of her true past