Adding complications to the situation, are her sudden relationship with Peter Scottson, a DEA agent who discovers Nancy's business, but takes measures to ensure her safety.
She realizes that his presence is needed for her business and as a father figure for the children, along with coercing her into letting him stay for as long as he wants after he discovers that she's been selling weed from Heylia.
Andy eventually finds a way to profit off of his own invention of "Copenhagen wheels", designed to make your bicycle supposedly ride "faster".
After Jill leaves the entire house to move elsewhere, the rest of the group visits Agrestic (re-titled Regrestic after the fire) in order to make amends and see how things are doing there.
After encountering numerous challenges with girlfriends—including a deaf girl he dated named Megan who had an abortion—and the realities of the drug business, he decides that he wants in on the action without his mother looking over his shoulder constantly.
Highly intelligent and poorly socialized, Shane's grief and desperation for a sense of assurance manifests itself in bizarre ways: he talks to his father like an imaginary friend and develops an obsession with Pittsburgh, Pennsylvania, repeatedly asking his mother to move the family there.
Doug Wilson (Kevin Nealon, leading character)—adopting the clandestine alias Ted Newman in season six and nicknamed "Rocket Man" by his college buddy Whit Tillerman—is Nancy's fun-loving but irresponsible friend who is a heavy weed user.
Although very popular in the Agrestic community and a shoo-in for re-election, he loses his seat to Celia when Dean forgets to file his ballot petition.
When he fraudulently borrows a large sum of money from an Agrestic financial account, he feels forced to flee Agrestic/Majestic and follow Nancy to Ren Mar to avoid criminal prosecution.
After arriving, he lands a job as chief accountant at Vehement Capital Partners, a Ponzi scheme posing as a New York hedge fund.
After divorcing Doug, she marries Wilfred (Beau Billingslea), a highly accomplished African-American man who designs symphony halls for a living.
She finds him living in Agrestic (which has been re-titled to Regrestic following the fire), where he is about to get married and is making organic health food products.
When Nancy starts suffering a series of headaches from job-related stress, he encourages her to take a hit of ayahuasca, a brew which has powerful psychedelic effects "to unwind the knot in her soul."
After expressing their intent to kill her, they are confronted by the FBI just as they exit the airport, with Nancy confessing to Pilar's murder to save herself and protect Shane.
He also tells Stevie about the whole entire story about his biological father, Esteban, and the dangerous business he was involved in with Nancy that ultimately led to his death.
In season six, after Shane kills Pilar, Lupita asks Nancy to drop her off at the bus stop, preferring to start anew rather than go on the lam.
They catch up with each other on what they have missed; Silas admits to having pierced holes in his condoms while they were together to deliberately get Megan pregnant and stop her from leaving California.
Sullivan Groff (Matthew Modine, leading character in season 3) is an unethical, womanizing real estate developer who has established multiple Christian-themed planned communities anchored with a megachurch.
Doug then executes a series of juvenile pranks culminating with stealing a large Christian Cross from Majestic's megachurch and destroying a sewer line.
When the other Agrestic council members learn that Celia got a house from Groff, they refuse Majestic's request to build a sewer line under their town.
Silas ultimately ends the relationship when Tara charges into the burning grow house to save the Majestic cross; he realizes that her Christian fundamentalism is too much for him.
Chess (Rod Rowland, recurring character in season 3) is the leader of the motorcycle gang that tried to push Nancy to buy their "ditch weed".
Captain Roy Till (Jack Stehlin, recurring character in seasons 2–5) leads a local DEA field office.
When Silas discovers that Lisa is a pot user, she concocts a plan to use the stench of the cheese shop as a cover for growing MILF weed.
Rad Ferris (Joey Luthman, recurring character in season four) is a juvenile Ren Mar resident who greets the Botwins when they arrive at Lenny's house.
Rad strongly believes that his parents will reunite in the future, and he develops a dislike for Silas when he begins sleeping with Lisa.
Vaughn Coleman (Eric Lange, guest character in season six) is a reporter for the San Diego Union-Tribune (within the show's universe) posing as one of Nancy's former classmates, Ellis Tate.
Deeply upset at her daughter's choice to marry a Shi'ite, he asks Andy to kill Jaka in order to obtain fake passports that the Botwins need to flee to Copenhagen.
Emma Karlin (Michelle Trachtenberg, special guest character, season seven) runs the Pouncy House Party Rental, the Botwin's principal rival operation.
Kiku (Kat Foster, recurring character seasons seven and eight) She is a talent scout and agent at Logan Modeling Agency who takes Silas as a client.