A witness finds herself having difficulty in managing her own brood of children, so Mary offers to babysit the trio of problem kids.

A building collapses on one of Mary's witnesses, leaving him exposed to outside threats, so Mary has to risk her life in order to keep her witness safe.

An Orthodox Jew enters Witness Protection, but his wife refuses to join him. The situation is made more complicated by the fact he is being pursued by a man motivated by a higher authority.

Mary and Marshall find themselves in a difficult position when Stan's very first witness turns up dead and he is implicated in her murder.

Mary lends her expertise for the U.S. Marshalls by making a training video with a film crew. Elsewhere, Marshall prepares the arrangements so that an elderly mobster in Witsec can go to his son's funeral.

The US government helps a Latina political activist hide in Witsec, but the arrangement sours after she moves into her new home.

A former high line thief from Boston tries to give up crime for the sake of his teenage son, and Mary and Marshall search for the person who nearly killed Mary.

In 2003 Mary meets Marshall for the first time as they get lovers CLAUDIA TOBIN and HENRY DOER into the WitSec program, and it's a toss-up whose relationship is going to last: Claudia and Henry's, or Mary and Marshall's.

Mary tries to help a parolee acclimate to life outside of prison after having spent 38 years behind bars while Marshall helps out when one of Mary's witnesses no longer wants to work with her.

Marshall is being evaluated in the field by his father (Geoff Pierson) during a joint fugitive operation. Mary meets Brandi's secret friend.

Mary helps her latest witness, a homeless man who's struggling with the program, find his birth parents. But the search could cause more problems than she anticipated. Elsewhere, Scott asks to borrow more money, raising a red flag for Brandi.

After a priest witnesses the murder of a parishioner, he will have to give up his special vocation in order to enter WITSEC.

Mary uses a thief to catch a thief when she asks a witness to consult on a crime in order to exonerate Brandi of grand theft auto.

A beauty pageant queen finds out that she's spent most of her life in witness protection

Mary plays marriage councilor in order to mediate a WITSEC divorce. Not only must she reconcile a stubborn witness, but also thousands of years of Hindu tradition, in order to save the case and keep a family out of danger.

Mary helps protect a guilt-ridden Army veteran; Marshall & Abigail consider the next step.

Mary must protect her least favorite witnesses on the day of her sister's wedding.