Wizards of Waverly Place - Season 4 - Eps 18: Justin's Back In
When Justin's students fail their exams, he instinctively accuses Alex, but Alex knows she's not to blame, causing her to discover the true culprit. Meanwhile, Teresa and Jerry find that they saved nothing of Max's childhood and seek help from Harper to recreate it.
About Wizards of Waverly Place

Title: Wizards of Waverly Place
First Air Date: 2007-10-12
Last Air Date: 2012-01-06
Status: Ended
Rating: 8.5/10 (from 979 votes)
Language: EN
Seasons: 4
Total Episodes: 106
Network: Disney Channel
Genres: Comedy, Sci-Fi & Fantasy, Kids
Production Companies: It's a Laugh Productions
Synopsis
Alex, Justin and Max Russo are not your ordinary kids - they're wizards in training! While their parents run the Waverly Sub Station, the siblings struggle to balance their ordinary lives while learning to master their extraordinary powers.
Cast

Selena Gomez
Alex Russo

David Henrie
Justin Russo

Jake T. Austin
Max Russo

Jennifer Stone
Harper Finkle

David DeLuise
Jerry Russo

Maria Canals-Barrera
Theresa Russo