I asked a School Spirits star about that Lizzy McAlpine cameo and the greater meaning behind it

"I love Lizzy so much." ...

'School Spirits' Milo Manheim Reveals Simon May Be the Key to Wally's "Unfinished Business" in Season 3

The cast discuss the first episode of Season 3, Mr. Martin's secrets, Xavier's new ability, and more in this exclusive Q&A.