Somebody re-uploaded those three episodes onto YouTube! For how long they'll be up there, I don't know!

Episode 1 "Kiss Me Steph"
YouTube - Degrassi Junior High- Kiss Me, Steph pt.1 (Part 1)
YouTube - Degrassi Junior High- Kiss Me, Steph pt.2 (Part 2)
YouTube - Degrassi Junior High- Kiss Me, Steph pt.3 (Part 3)

Episode 2 "The Big Dance"
YouTube - Degrassi Junior High- The Big Dance pt.1 (Part 1)
YouTube - Degrassi Junior High- The Big Dance pt.2 (Part 2)
YouTube - Degrassi Junior High- The Big Dance pt.3 (Part 3)

Episode 3 "The Experiment"
YouTube - Degrassi Junior High- The Experiment pt.1 (Part 1)
YouTube - Degrassi Junior High- The Experiment pt.1 (Part 2)
YouTube - Degrassi Junior High- The Experiment pt.1 (Part 3)

This person also added the episode "Cover Up"
YouTube - Degrassi Junior High- Cover-up pt.1 (Part 1)
YouTube - Degrassi Junior High- Cover-up pt.2 (Part 2)
YouTube - Degrassi Junior High- Cover-Up pt.3 (Part 3)

Again, I think that it won't be long before those YouTube Nazis pull all those episodes off the website ... so enjoy them quickly while they're still up!