Dean Winchester (Jensen Ackles) has a lot of explaining to do as to why he ended up in the home for delinquent boys. A second sneak peek video has been released and it shows Dean revealing to his younger brother, Sam (Jared Padalecki), what really happened in the upcoming "Supernatural" Season 9, Episode 7 titled "Bad Boys."

Credit: YouTube.com/The CW Television Network

In the latest video clip, Sam receives a phone call from someone looking for "D Dog" then Dean grabs the phone from Sam, revealing he is in fact the one that the person on the other end of line is looking for. It turns out Dean was given that nickname during his stay at the home for delinquent boys when he was a teenager.

After the phone call, Dean explains to his confused brother how and why he ended up in the boy's home. The CW network has released as well a group of image stills and synopsis for the other upcoming episodes.

The promo stills of Supernatural" Season 9, Episode 8 titled "Rock and a Hard Place" show the return of guest star Kim Rhodes as Sheriff Jody Mills and Dean Winchester infiltrating a church chastity group. It appears Sheriff Mills reunites with the Winchester boys to crack once again another supernatural case in town.

The official Episode 8 synopsis reads: "SAM AND DEAN REUNITE WITH SHERIFF MILLS - Sheriff Mills (guest star Kim Rhodes) calls Sam (Jared Padalecki) and Dean (Jensen Ackles) for help investigating multiple murders in her small town. Discovering all four victims belonged to the same church chastity group, Sam and Dean decide to infiltrate by joining the group themselves. When Dean disappears, Sam and Sheriff Mills realize whatever they are hunting has taken Dean too and team up to rescue him."

The other episode synopsis reveals information for an intense Episode 9 titled "Holy Terror." It reads: "AN ANGEL WAR BEGINS - After a massive angel slaughter occurs, Sam (Jared Padalecki) and Dean (Jensen Ackles) arrive at the scene to investigate and are surprised to run into Castiel (Misha Collins). While investigating, Castiel is captured and tortured. Meanwhile, Dean questions Ezekiel's demands and wonders if it might be time to tell Sam the truth."

According to the Hypable report, a character will be making a re-appearance as well in Episode 9 after actor Curtis Armstrong teased via social networking site Twitter the return of Metatron. "Off tomorrow for two more episodes of @_supernatural_ . #Metatron returns! And he's no angel---he's a very naughty boy!" Mr Armstrong posted on his Twitter account @curtisisbooger.

Actor Misha Collins, who portrays Castiel, even shared on Twitter an image of himself with his co-star. "Here with @curtisisbooger plotting the destruction of the universe over a hot chocolate. Follow him for a good time," Misha Collins wrote as a caption to the image on his Twitter account @mishacollins.

"Supernatural" Season 9 airs every Tuesday night at 9 p.m. ET on the CW network.

More "Supernatural" Articles to Read:

'Supernatural' Season 9 Spoilers: See Promo Video for Episode 7 'Bad Boys,' Erin Karpluk Guest Stars as Dean Winchester's Old Girlfriend [VIDEO] - [READ]

'Supernatural' Season 9 Spoilers: New Demon to Arrive? Actor Tim Omundson to Portray Cain; See Episode 6 'Heaven Can't Wait' Sneak Peek Video - [READ]

'Supernatural' Season 9: Actress Felicia Day Previews Return of Character Charlie in Episode 4 'Slumber Party' - [READ]

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