The summer starts off with a bang when Carl takes his friendship with Lindsay to the next level. While the returning housemates savour the juicy gossip, newbies Luke and Jules wonder what they've signed up for.

With house parents Kyle and Amanda away at a family wedding, the `kids' are ready to run wild; Lindsay's friend, Danielle, joins the party; Luke pulls out all the stops to court Hannah, even though she's looking for a commitment from another guy.

As the house gears up for its Fourth of July party, Jules wants to be friends with Paige, while Luke wants to be intimate with Hannah; Carl and Lindsay's first date is a full-blown disaster; Amanda slams the door in Kyle's face, setting him off.

The yearly Fourth of July bash is usually a high point for Kyle and his trusty mullet wig, but things are so rocky with Amanda that the only love he may get is from Carl; Lindsay gives Hannah's friend Armand the third degree.

Hannah invites her old buddy Jordan for the weekend and the housemates are surprised to learn that he has a romantic history with somebody in the house; when Hannah gets news about Armand, it helps her make a decision about Luke.

As Lindsay and Carl try to fix what's left of their friendship, Luke and Hannah's continuous flirtation leads to their first date going to new heights; it's a house divided for girls' and guys' night.

Kyle surprises Amanda with a shocking answer to a simple question; Luke revs up his courtship of Hannah with a motorcycle ride as Jules tries to break through a sexual roadblock; Carl and Lindsay try to move forward with new flings of their own.

Kyle and Amanda's mothers visit for the weekend; and the boys of "Summer House" behave badly; Jordan stuns Jules; Luke shocks the house with his relationship status; Carl still can't make things right with Lindsay.

Kyle and Amanda turn the house into a petting zoo for Kyle's birthday; Paige laments that friend Hannah has fallen under Luke's spell; Carl invites his new fling to the house; a spat between Jules and Jordan escalates into a possible eviction.

As Kyle's birthday party comes to an end, Jules wonders if her time at the house is coming to a screeching halt; with Hannah distracted by Luke, Paige and Amanda don't hesitate to throw her under the bus.

Lindsay turns the house into a crime scene for her murder mystery-themed birthday; Paige is put in an uncomfortable position as tension between Hannah and Amanda escalates over Hannah's involvement with Luke, who is still hung up on an ex

When Hannah calls it quits with Luke, Paige and Amanda are thrilled to get their friend back; a day trip to the orchard leaves a sour taste in everyone's mouth; a night of passion leaves one house mate feeling satisfied, but others feeling betrayed.

Paige and Amanda confront Hannah about her steamy night; Carl and Jules bond over their summer of relationship mishaps; barbs are exchanged at the first-ever house roast, but not everybody can take the heat.

It's the final weekend at the Summer House, but before the housemates celebrate with an epic end of summer rave, it's a house divided for Kyle and Amanda's bachelor and bachelorette festivities.

The Summer House crew continues to bring the heat in this never-before-seen footage from Season 4. From fiery flings to rocky relationships, get the inside scoop on moments you didn't see this season.

Andy welcomes the cast of "Summer House" for an online reunion. Lindsay Hubbard talks about the clique that formed in the house. Luke Gulbranson and Hannah Berner talk about their relationship. Carl Radke has news.