Glee star Kevin McHale has described the upcoming Cory Monteith [uuid=62a61d7d-d1af-4aae-9b6b-f7275c83f8ad]tribute episode[/uuid] as "extremely emotional."

McHale, who plays Artie Abrams on the hit Fox show, told TV Line that at times the shoot has been "hard to get through," revealing: “There are so many incredibly well written and powerful scenes.”

The actor singled out one particular moment in the episode, saying: “When [the cast] got the script, we were all reading it together and we were like, ‘Did you get to that one scene.’ And when you see it everyone will know what that one scene is.”