Psych: Gus related scoop on season 8 from TVLine's Matt Webb Mitovich

Here's some scoop on Psych from TVLine's Matt Webb Mitovich's weekly column Matt's Inside Line for the week of 6/6/13.

Can anyone at TVLine.com shed a little light as to what’s going on in this Psych photo? Dule Hill posted it [on Facebook] and I’m very curious now. –Estee
You bet your expecto patronum I’ve got light to shed. You see, the guys are going to “London” at some point in Season 8, so naturally Gus would find a reason to be in a Harry Potter costume, naturally Despereaux would show up (as we already scooped for you), and naturally there will be lots of action (hence the green screen behind them).

Link to the full article:NCIS, Psych, White Collar Spoilers — Covert Affairs, Rizzoli & Isles - TVLine