Four years ago Erica Strange was single, barely making enough money to get by, and had a long list of regrets. Thanks to her time-travel therapist Dr. Tom, Erica has turned her life around, but nothing can prepare her for her most difficult challenge yet - saying goodbye.

Though Dr. Tom warned her not to try and prevent Leo's death, Erica does so anyway, resulting in dire consequences.

It's Dr. Tom's turn for a session as he revisits the last time he saw his daughter.

Erica struggles with some big decisions, and she's desperate for a little direction. After some hide and seek in the past and present, the last place she looks to is the closest to her heart, and it opens up a world of possibility.

When the future of Erica and Julianne’s new company is threatened, Erica is faced with a choice: “Kill, or be killed”. Erica returns to the site of Leo’s fraternity pledge, where she learns that taking the low road often leads to a dark place.

When Kai returns to give Erica a glimpse of her own mortality, it throws Erica for a loop. If Erica is to escape her own personal “Groundhog Day”, she must learn to embrace the present.

Erica and Adam must both confront their true feelings once and for all. For Adam, it leads to a journey into his family’s dark past, where he discovers a startling memory that he has locked away.

After Erica quits therapy, Dr. Naadiah sends her back to a bar in 1998, where she meets a younger, troubled Dr. Tom. A glimpse into his past, and Erica realizes it is her turn now to lend a helping hand.

Erica explores her feelings for Ryan by reliving an unusual love affair from her university days.

Charged with supervising the launch of Katie's new book, Erica turns into a complete control-freak. She soon realizes that her need to control might be contributing to the downfall of her relationship with Ethan.

An argument with Ethan triggers a time travel journey back to camp for Erica.

When Erica faints at a family Bris, she is propelled into the future, where she discovers Kai's true identity. Struggling to help her father in the present, and Kai in the future, Erica begins to realize the only problems she can fix are her own.

Erica grapples with life's biggest secret.

Erica is worried that her sister Samantha is marrying the wrong man in Josh. When she goes back to prevent Sam and Josh from ever getting together, Erica learns a big secret - one that threatens her relationship with her sister.

Erica receives a special gift from Dr. Tom -- a do-over day.

Erica receives a new perspective on her brother and returns from the past ready to deal with Kai.

After a shocking turn of events at River Rock Publishing, Erica discovers the value of setbacks when Dr. Tom sends her to an alternate reality, supposedly setback free.

After last season's cliff-hanger, Erica begins the final stage of her therapy as a doctor in training, and she is shocked when her first patient is revealed to be someone she knows.

Erica's "friendship" with Katie reaches a new low when Katie maneuvers her way into a book deal with River Rock.

Secrets are popping up everywhere, and when Erica gets caught in the middle, she learns of the damage keeping them can truly cause.

When trying to cope with everyone else's problems, Erica looks forward to an escape to her past. Dr. Tom, however, is changing things up... and to Erica's surprise, so is everyone else... or so it seems.

Eternally-single Erica brings best friend Ethan to pose as her boyfriend at her high school reunion. She begins to understand the source of her relationship with men by revisiting the loss of her virginity.

With the stress of work and family life weighing heavily on Erica's shoulders, Dr. Tom decides to give her a break and sends Erica back to a "perfect day."

Erica's long-simmering relationship with her mother reaches a boiling point. going back into the distant past, opens up Erica's eyes to who Barbara Strange really is.

Down and out, Erica Strange is desperate to change her life and takes up an offer from a mysterious therapist, Dr. Thom, who sends her back in time to relive a high school regret.