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.

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.

At the end of Season Two, Erica walks through a door, her door, ready to face whatever is on the other side. Now everything in Erica’s life - her job, her love life, even her therapy with Dr. Tom - starts anew, and gets turned upside down in the process.

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.

The surprising return of someone from Dr. Tom's past forces him to face old demons. Meanwhile Kai returns to 2010 on a regret, and Erica must make a decision that could affect both their futures.

Erica's latest therapy session has uncovered a shocking secret that could mean the end of 50/50 Press. Erica is caught between a rock and a hard place. Dr. Tom has a time-altering solution for her... but will Dr. Arthur allow it?

Erica reels from Sam's shocking news. Barbara struggles to bury the past.

Outside the office, Dr. Tom is repeating an old pattern. Erica and Adam hit a rough patch. Kai is back from the future.

Erica grapples with life's biggest secret.

Erica lives her relationship fantasies on Dave and Ivan's wedding day.

Erica is sent back to her family's 1992 Purim party, after Erica gets an unwelcomed birthday surprise from Julianne.

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.