Glee documentary claims costar pressured Cory Monteith into drinking again before fatal relapse

'Glee' Cast Member Blamed for Cory Monteith's Relapse, Leading to His Death, in New 'Price of Glee' Docu-Series

'Price of Glee' Documentary Trailer Highlights Deaths of Cory Monteith, Naya Rivera & Mark Salling

'The Price of Glee' Trailer Takes a Look Into Deaths of Naya Rivera, Cory Monteith and Mark Salling