Eric is concerned over the choice of director, an indie loose cannon named Billy Walsh, for Vince's new film. Meanwhile, Drama lobbies for a supporting role, while Ari finds he can't mix business with pleasure.

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.

With the gang arriving back in America, Drama plans a party for Vince at his new condo. Ari learns that his son might not be accepted to an exclusive private school. Billy's insecurities may prevent Vince and Eric from seeing the first cut of Medellín.

Billy submits Medellin to the Cannes film festival, leading Eric - who thinks the film needs work - to worry that it will get rejected. Drama rekindles an old flame, and brings Turtle in as his wingman. Vince gets in over his head in Malibu.

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.

The Medellin trailer is leaked on YouTube and Billy blames Eric. Drama joins an exclusive medical marijuana club. And Ari and Lloyd engage in sabotage so that Vince can get his next project.

Billy makes amends with Eric over the online leak of Medellin. Lloyd takes a leave of absence from the Miller Gold Agency for personal problems. In the meantime Turtle makes an investment.

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

When Eric gets his own office, Vince eyes a piece of antique furniture that also has a rich history, but someone has already gotten his hands on it. Ari preps for a meeting with R&B superstar Mary J. Blige, but has to contend with twin-sibling rivalry in his own office.

Eric gets into a fender-bender with Anna Faris, leading to what he believes to be "a little moment," but in the end, his career is about to change. Ari's wife acts on a soap opera, leading him to try and dissuade her from doing so. Turtle gets prepped for a party by picking up some provisions, and girls, only to encounter the law on the way home.

Vince, Ari, and Dana Gordon receive the script for Vince's next project, but Billy's interpretation is vastly different than what he was supposed to write. Vince loves the script anyway leading Ari to try and keep the studio interested. Eric is occupied with a new client and her boyfriend.

A security threat at LAX strains everyone's hopes of getting to Cannes in time for the Medellin premiere. Mrs. Ari and Lloyd both wish to take the trip with Ari to Cannes. Walsh writes Eric's new client into his script. Help in the end comes from a very unexpected source.

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.

The director of Vince's latest action film talks his star into doing his own driving stunt, agitating both Eric and Ari. Turtle's attraction to an underperforming employee named Alex threatens to damage his fledgling carservice business. Ari looks to add to his resume as "the biggest agent in the world" by eying an alliance with the NFL. Worried that his holding deal is about to expire, Drama pressures Lloyd, now his agent, to land him a project.

Ari must face a public relations crisis over Vince's movie while meeting with top NFL executives; Eric agrees to help Drama find the perfect script; Turtle accuses Alex of maxing out his corporate credit card.

Eric and Phil try to convince Drama that he has talent on the sitcom front; Ari resists Barbara's urgings to have Lizzie promoted; Turtle is intrigued by a business proposal from Alex; Scott Lavin continues to ingratiate himself with Vince.

Turtle has a hard time trusting Alex; Drama gets off on the wrong foot with potential co-star John Stamos; Ari learns that Lizzie may be siphoning off some of his clients; Eric and Scott settle their differences.

Vince is impressed by porn star Sasha Grey and her literary knowledge, and ends up bringing her along to a meeting with Stan Lee. Suspecting that Lizzie is trying to steal his clients, Ari woos Jessica Simpson, Aaron Sorkin and Mike Tyson, but not before taking out his ire on Mrs. Ari. Turtle pitches Eric about Vince becoming the face of his new venture. Drama is anxious about his new series with John Stamos, especially after learning Bob Saget is eyeing his role.

Facing a possible lawsuit, Ari readies himself to do battle with Lizzie and her new boss, old foe Amanda Daniels. Vince puts his next big-budget movie in jeopardy with his antics, including a risqué online video. Turtle’s romancing of Alex does not go as well as he’d envisioned. A cleaned-up Billy Walsh returns to ask Eric about directing jobs – and comes up with new show idea for Drama, who’s been wallowing in self-pity.

Seeking assurance that Vince’s life is under control, director Randall Wallace calls a meeting, but Vince parties a bit too hard the night before. Ari agrees to help Lizzie find a new job in exchange for some potentially damaging audiotapes. Turtle winds up in damage control after promising an L.A. retailer more product than he can deliver. Billy Walsh’s latest pitch leaves Drama indignant and Eric intrigued.

Eric is informed by Phil Yagoda (William Fichtner) that the network is interested in Drama’s show, though the star is not enthused about its content. In the wake of recent bad press, Ari attempts to fashion a kinder, gentler persona at work and home. When demand for Turtle’s tequila line outpaces production, he sets out to find new sources of funding. Vince tries to convince Sasha to turn down a high-paying offer to do another porn movie.

To keep her out of a porn film, Vince tries to land Sasha a part on his new movie. During a chance run-in with Queen Latifah, Ari finds out that Amanda Daniels may have landed a deal he’d coveted. Eric tries to get Drama on board for Billy Walsh’s series, and Eric’s assistant Jennie (Janet Montgomery) pitches in to help persuade him. Turtle’s efforts to find financial backing from Mark Cuban gets him in hot water with his Mexican boss.

Ari tries to keep his wife's surprise party on track, the guys attempt to stage an intervention for Vince, and Turtle scrambles to find investors to save the tequila business.

The guys go to extremes to keep Vince away from temptation after he gets out of rehab, but they're also worried about triggering a relapse when he's excited about a lame idea for a movie. Meanwhile, Ari pleads with his wife to end their separation, and Eric and Scott court new clients for their fledgling management company.

After writing a 20-page outline for his movie idea, Vince asks Billy to give it a once over. Ari finds out that Mrs. Gold may be lowering her standards after a tip from Lloyd. Drama's "Johnny's Bananas" costar Andrew Dice Clay needs representation, and leaves Drama reeling after getting an idea. Turtle consistently fails to get Alex on the phone. A miscommunication between Eric and Sloan turns into an encounter that Eric will not forget, yet will want to.

A benevolent Vince defies his friends' advice and gives an old nemesis, producer Carl Ertz, a second chance when he claims to be interested in the miner movie. Meanwhile, Andrew Dice Clay takes a stand on his "Johnny's Bananas" contract despite Drama's disapproval. Lloyd convinces Ari to go on a date, and Turtle has a meeting with his boss about his future with Avion.

Shauna goes into damage-control mode when Vince must pass a drug test after being caught in a compromising position. Ari escorts an old flame to Bobby Flay's restaurant to get back at his wife following a rancorous session of couples therapy.

Dissatisfied with his new "Johnny's Bananas" costar, Drama hatches a plan to bring Andrew Dice Clay back to the show. Meanwhile, Vince tries to do his own damage control with a Vanity Fair interview, Eric bonds with Sloan's ex-stepmother over their romantic woes, and Ari's recent tryst makes for an awkward business meeting with Dana Gordon.

Ari gets unsettling news from his lawyer about his divorce. Eric is floored by a gift from Melinda Clarke, but unnerved by a revelation from Johnny Galecki. Vince deals with the fallout from his interview and Turtle meets his new business partners.

Turtle turns to his investors for more money when his new business partners eye an expensive property. Meanwhile, Eric and Melinda crash Sloan's date, the miner movie gets personal for Ari, and Vince woos Sophia.

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.