The Cast of 'Harry Potter' Reunite in the First 'Return to Hogwarts' Trailer - Watch Here!

See ‘Harry Potter’ Stars Daniel Radcliffe, Emma Watson, Rupert Grint ‘Return to Hogwarts’

'Harry Potter 20th Anniversary: Return to Hogwarts' Trailer: Emma Watson Tears Up Reuniting With Co-Stars

‘Harry Potter’ Reunion Trailer: See Daniel Radcliffe, Emma Watson, Tom Felton & More Reunite