Donald Trump mixes up the teams and assigns them to create an original celebrity workout for 24 Hour Fitness. Both teams' workouts must impress the 24 Hour Fitness executives as well as bring in the most donations. The celebrities call their high profile friends for big donations and both project managers are pushed to their limits. At a key moment, one project manager reaches an emotional breaking point. In the boardroom, Trump announces that one team has raised the largest amount ever in "Celebrity Apprentice" history. In the end, Mr. Trump has no choice but to make what is, for him, a "tough decision."

With Arnold Schwarzenegger as the new boss, the celebrities get right down to business with tasks from Tyra Beauty and Trident gum.

Season 13 opens with 14 returning celebrities tasked to sell meatballs in a charity competition, but there are beefs due to a power struggle and an unorthodox approach to the mission. Stars include Trace Adkins, Stephen Baldwin and Gary Busey.

Season 12 of Donald Trump's business-savvy series opens with 18 celebrity players creating and selling deli sandwiches. The star contestants include Arsenio Hall, Clay Aiken, Cheryl Tiegs, Debbie Gibson, Adam Carolla, Lisa Lampanelli and Penn Jillette.

The teams jet to Universal Orlando Resort in Florida to produce an interactive 3-D photo experience, but an indecisive project manager and a tyrannical leader mar the mission.

The all-star celebrities must perform a soap-opera scene for a beverage-mix product. One team doesn't mix well, however, when a project manager tangles with an insubordinate member.

The celebrities must use a glass truck to promote a hair-care and spa-products company in a mission that challenges marketing skills. One team lacks harmony thanks to a troublemaker while another star is labeled a weak player.

The celebrities are tasked with creating original, three-dimensional artwork. But winning the task comes down to fundraising, and one contestant struggles with bringing in enough money to keep the team safe in the Boardroom. Meanwhile, the other team's Project Manager has to deal with a teammate who over-promises and under-delivers.

When tasked with creating an interactive travel expo for South Africa Tourism, the All-Stars find a former competitor now on the other side of the boardroom table. Down in numbers, one team tries to get the task done with a lame teammate, while the other team's project manager drops the reigns and their concept gets out of control.

Donald Trump returns for an eighth season in the boardroom. Joining him are fourteen new celebrity candidates vying for the title of the Celebrity Apprentice, as well as $250,000 for the charity of their choice. First up, a bake sale featuring cupcakes in a challenge to sell the most, despite culinary challenges and a surprise taste test.

Fallout from a previous boardroom session results in one celebrity launching an emotional tirade and another one going missing. As for the challenge, the players must write, direct and produce a 60-second commercial for an entertainment Web site.

The remaining celebrities create original puppets for Henson's "Stuffed and Unstrung."

The celebrities must fashion an in-store display and create a slogan for a new fragrance. Business snafus unfold when two project managers spar and one team frets about an indecisive leader.

The stars must write and perform a 90-second jingle for a roadside-assistance program. But the task lacks harmony when mutinies and internal power plays mar both teams.

The All-Stars must once again work to promote popular Australian Gold products, this time by creating a silent film. One project manager is cast aside when a power-usurping teammate takes over the task. Meanwhile, the other project manager risks everything by going against the advice of a teammate.

The celebrities challenge is to take over a ritzy hotel, which will include answer to the guests every beck and call, clean the rooms, manage concierge affairs and delivery room services. But this task does not bold well for an out-of-control manager and unhappy guests.

The teams produce and perform a medieval-theme show for an audience, yet an insubordinate contestant and a serious injury mar the task.

The celebrities must create a product display and advertorial campaign to highlight the new "Melania" skin care line. Taking a giant risk, one Project Manager stops Boardroom Advisor Eric Trump from visiting with their team, while the other team is forced to pull the weight for a lackluster team leader. In the Boardroom, everything boils down to one critical error, and a celebrity pays the price for it.

With just six All-Stars remaining, the teams are asked to write, produce and direct a demonstrational video to highlight LG's Smart Home and Home Entertainment systems. One Project Manager's runaway concept leaves the team with little choice but to follow their leader, while the other team gets too caught up in small details.

The All-Stars are asked to design a Foxwoods Resort themed suite and host a party at the brand-new Barclays Center. One detail-oriented Project Manager gets too literal with the theme, while the other team's plan could be shut down due to bad weather.

The men look to get back on track this week as they are asked to make a comic book character as a representative for an online company. The winning team will be chosen by the company's executive in charge.

The remaining celebs must decorate a bare space into a bridal boutique and then sell 125 wedding dresses.

The teams challenge this week involves a new cell phone in which they must create an event for. But dramas unfold, including a fiery exchange which may become physical. Also, one celebrity is a no show, and another star storms off claiming the celebrities are not being used in the correct situations.

The celebrity players are assigned to write and produce a viral video promoting a mop. It's risqué business when one team hatches a lusty concept. Meanwhile, serious divisions mar the other team.

The celebrities must host a launch party for a "mocktail" drink product. One team sets sail with a beach theme while the other produces an exotic Garden of Eden experience.