• Pretty Little Liars

Pretty Little Liars (Photo : Twitter/PLL)

 "Pretty Little Liars" (PLL) Season 6 is set to air an explosive Episode 7 this week. The upcoming segment is titled "O Brother, Where Art Thou" and revolves around Charles' return as declared in the last-aired episode. Here are spoilers for the next chapter of ABC Family's drama thriller. Read on to find out what happens next. Fans can watch the segment online through live stream.

Like Us on Facebook

[Spoiler alert! This article contains update from "Pretty Little Liars" (PLL) Season 6. Do not read further if you are avoiding spoilers.]

In Episode 6, Charles sent a card to Kenneth DiLaurentis informing him that he will be returning for his birthday. It is later revealed that Charles is alive and had successfully escaped Radley with Bethany.

Episode 7 of "Pretty Little Liars" (PLL) sees the after-effects of Charles' declaration. According to the synopsis for "O Brother, Where Art Thou" on network's official website, Charles plan is return to DiLaurentis mansion. Meanwhile, Kenneth decides to get out of town with Alison and Jason where he can keep them safe from Charles.

However, Jason wants to stay and meet Charles. He wants to be sure that his memories of his childhood involving "Charlie" were true. Elsewhere, Hanna and Spencer think of this as the best opportunity to trap Charles. But Emily and Aria disagree and want to keep distance from him.

Meanwhile, Mona and Mike's relationship take an unexpected turn. Mike feels Mona is avoiding him. And Hanna receives unpleasant surprise.

The network has released three promo videos for "Pretty Little Liars" (PLL) Season 6 Episode 7 "O Brother, Where Art Thou" on series' official YouTube channel. One of the sneak peeks shows Alison and Kenneth making an escape out of the town. "He's alive and he's coming for us, isn't he?" Alison asks her father.

Second promo video shows the return of Spencer's boyfriend Toby, who is suspicious that something may have happened while he was away. The third promo video focuses on Mike's conversation with Aria about Mona and his relationship. Scroll down to watch the videos.

"Pretty Little Liars" (PLL) Season 6 Episode 7 airs July 21, 2015 at 8:00 pm on ABC Family. Fans can also watch "O Brother, Where Art Thou" online via live streaming on abc.family.go.com. Come back for more spoilers.

Pretty Little Liars 6x07 Sneak Peek #1 - "O Brother, Where Art Thou" - Season 6 Episode 7

Credit: YouTube.com/Pretty Little Liars

Pretty Little Liars 6x07 Sneak Peek #2 - "O Brother, Where Art Thou" - Season 6 Episode 7

Credit: YouTube.com/Pretty Little Liars

Pretty Little Liars 6x07 Sneak Peek #3 - "O Brother, Where Art Thou" - Season 6 Episode 7

Credit: YouTube.com/ Pretty Little Liars