yes but she realizes that she wants to be with mason
On Wizards of Waverly Place, Alex first met Mason in the episode that's titled "Alex Charms a Boy" which was during Season 3.
Season 3 Episode 92
Season 3, Episode 5- Night at the Lazerama
alex does good - season 4, episode 2
Home Invasion. Season 1 ep. 11
Alex was last seen in a Season 7 episode which was titled "Love is a Battlefield." Alex and Paige have a fight at Paige's work which causes the two of them to end things romantically between one another and because of the break up Alex decides to leave and to move in with her Aunt (her Mom's cousin) who was currently living in Ajax.
"Family Game Night" Season 2: Episode 20
Season 1 episode 12
Samuel and Damian. Lindsay and Alex get a two episode arcs
If Your Talking About The SVU Episode When Alex Has To Go Into Witness Protection It's Called Loss from season 4
That's the second episode of season 4 called Alex gives up.
No, she doesn't know until the episode where they are all superheros going to a convention. Then she sees the liar. She does now!