Vince is blinded by love, and Eric gets cozy with Sloan. Meanwhile, Ari gets shot down in the war room, and Drama and Turtle use their paparazzi skills on an important spy mission.

Ari and Eric are worried because rolling blackouts have hit Los Angeles and it may cause a decrease in the box-office totals for "Aquaman" in the area. The two ponder how to keep Vince from finding out the situation.

The gang heads to Vegas for a much-needed break and a $100,000 promotional appearance for Vince. But it turns out that Turtle reaps the benefits from the appearance. Eric gets jealous when Seth Green makes insinuating comments about Sloan. Vince and Ari partner at the tables, but Ari loses it when Vince's luck ends. Drama lays it on thick with his masseur, leading to an awkward misunderstanding between them.

When Matt Damon and LeBron James send out a charity call, an unwilling Vince takes up the challenge. Ari tries to convince his wife that his deal with Terrance will be lucrative. Drama ponders a switch in careers. Eric makes plans to meet Sloan.

Within moments of arriving at Sundance, Eric lands a lunch with studio bigwig – and gets an offer for Vince that might be too good to refuse. Ari advises him to play it safe, and Vince wants to roll the dice. Turtle and Drama don't want to share.

A behind-the-scenes documentary about the filming of Medellín in Bogota, Colombia. Billy and Eric clash on the set about keeping the film on track. Billy becomes attracted to an actress which ends up disrupting the production. Drama tries to get Billy to give him a part in the film.

Despite a not-so-triumphant return, the guys party it up in NYC. After getting a tip from Vince's mom, E stalks Gus Van Sant to convince him to cast Vince in a role. Meanwhile, Vince reconnects with his high school sweetheart and Drama considers an investment opportunity.

Amanda needs an answer on the period film, but Vince won't commit to any other project until the cameras are actually rolling on 'Medellin.' Amanda persists, so Vince has the crew read the script to get everybody's opinion. Unfortunately, the script is so dry that nobody can get through it, leading Vince to realize that the project isn't right for him after all.

Vince takes a surprising step after a first date with Sophia. A therapy session yields mixed results for Ari and Mrs. Ari, and Vince, Drama and Turtle urge Sloan to work things out with Eric.

In the fourth-season finale, attempts to sell “Medellin” at Cannes are complicated by the fact that no one has seen the finished product. Meanwhile, the popularity of “Viking Quest” gives Drama a boost.

During shooting of a pivotal scene for "Smokejumpers," Vince gets contradictory direction from Verner, and Ari and Dana Gordon try to put out the flames. After receiving an unexpected call, Turtle has a clandestine meeting.

Vince's despondent mood forces Eric to consider fending for himself. Meanwhile, Ari has meetings at a coffee shop and Drama and Turtle make a vow of silence.

Vince gets a taste of the fashion world when he agrees to do a Dolce & Gabbana photo shoot with a gorgeous supermodel. Ari pays his respects at a funeral while he tries to work a deal for Vince.

Sick of being known as 'Vince's guy,' Eric wants a title commensurate with his responsibilities. With his latest shoot taking him to New York for three months, Vince prepares to say goodbye to L.A. – as well as his many 'special' girlfriends. Meanwhile, Drama debates taking either a high-paying TV role or a low-paying film gig, and Turtle stakes out a claim as Vince's 'farewell party' promoter.

Vince agrees to a starlet's pet project; Eric reluctantly lets a Perfect Ten model 'take care of him' at a beach party, where Turtle misrepresents his position to get a girl; Drama develops calf envy; and Ari gets steamed up convincing the boys to read the 'Aquaman' script.

Vince increases his asking price for Aquaman 2, which forces Ari to ask the studio head for yet another favor. But Vince insists that Ari finds Drama a job before he'll accept any offer from the studio. Meanwhile, Eric's girlfriend and her best friend make him an offer he can't refuse, even if there are ground rules.

Drama and Turtle go looking for Saigon on the day the record-deal's supposed to be signed. Eric comes up with a project for Vince.

Drama finds out that he will be the target on Pauly Shore's new Punk'd like reality show. Eric tries to relieve the tension between Vince and Amanda and Ari is jealous of a former fraternity brother.

Eric and Vince are determined to get "Medellin" off the ground, but the rights to the script stand in their way. Feeling tense the day of the "Five Towns" premiere, Drama seeks relief at a massage parlor, but can't avoid Daily Variety. At the auto-body shop, Turtle meets a girl who shares his love for limited-edition sneakers, but her overbearing father hampers his game.

Ari mistakenly mishandles a top-secret script, a mistake that lands him in jail. Drama fetes the mayor of Beverly Hills, with help from Vince. Eric has to go back on his word with Harvey Weingard, a Hollywood heavyweight, when Medellín is accepted into the Cannes Film Festival.

Eric and Turtle's love lives become a source of amusement for Vince and Drama. Ari adjusts to having his son in public school.

To avoid bankruptcy, Vince takes Shauna's and his accountant's advice by agreeing to make an appearance at a not-so-sweet-sixteen bash. After a fast and furious drag race in his new Ferrari, Ari ups the ante with Adam Davies. Still devastated by his breakup, Drama befriends a bottle of Johnny Walker Blue.

Vince makes a splash at a convention with his new co-star. When neither Eric nor Shauna can appease a bitter journalist, Turtle sends a pair of professionals to the rescue. Ari gives Drama a rockin' birthday gift.

Vince gets up-front about his feelings for Aquagirl, sending everyone into a panic. Meanwhile, Ari's partner Terrance resurfaces, Eric splurges on an 'investment' suit, and Drama and Turtle have high hopes for Little Miss Ari's Bat Mitzvah.

After scoring a first class seat next to Jamie-Lynn Sigler, Turtle makes a mile-high claim the guys just don't buy. While Ari is distracted, Josh Weinstein courts Vince.