Cassie, Abigail and Joy get ready to face the mysterious force that threatens the Merriwick family legacy. Series finale.

Cassie and Sam are disagreeing about his return to work after his shoulder surgery. Flower Universe is trying to undercut Abigail's business, but she won't go down without a fight. Martha and Tom's special anniversary celebration brings all their friends together.

The pressure is on because strange things start happening to Cassie, Abigail and Joy's abilities, adding urgency to finding a Merriwick family heirloom.

Cassie, Stephanie and Abigail help Martha throw Claire a baby shower, sparking memories of Cassie's own baby shower.

After the death of her husband, Cassie Nightingale and her family find themselves caring for her ailing father-in-law. Moving in next door are the Radfords, Sam and Nick. Sam, the town's new doctor, has difficulty getting patients, as the town goes to Cassie's store for her more earthly herbal remedies.

Joy's dream sends the three Merriwicks on a search for Phillip Harper, Joy's father.

Sam is excited to perform surgery on a star basketball player. Joy makes a discovery and decides to revive the Middleton Exchange tradition.

When Cassie, Abigail, and Joy toss coins into the historic wishing well, wishes old and new start coming true.

As the Merriwicks delve into the images on Joy's vision board, Cassie accompanies Sam on a trip to his childhood home to care for his sister.

Middleton's Heritage Festival gets everyone talking; Cassie is back to her bewitching ways as she welcomes a scared young woman to the Grey House but she realizes she's being followed.

Trouble is brewing after Cassie's mystery guest Ashley goes missing, and another pair of visitors to Middleton shake things up just in time for the town's annual heritage ball.

Cassie's mischievous cousin Abigail returns to Middleton, forcing Cassie to attempt tough love as Sam and Grace are swept up in Abigail's spell.

Cassie's magic can't keep her away from Abigail's scheming when the truth becomes too hard to hide and Abigail continues to stir the pot in Middleton.

Cassie tries to convince Sam to follow her intuition in order to help a young couple survive a blizzard.

The arrival of a man from Cassie's past may complicate her burgeoning relationship with Sam, but that isn't the only bump in the road - Sam's intrusive ex-wife Linda is still trying to keep Cassie out of the picture in a desperate attempt to repair their fractured family.

Cassie, Sam, Nick and Grace “play house” as they spend a night away at the family lake house. Hoping to bring everyone together, Cassie faces a few obstacles before they start acting like a family again.

Cassie hosts a guest with a surprising secret. Sam’s visiting friend needs medical expertise but the cure may lie in Cassie’s intuition. Grace interns for Martha at City Hall and faces competition from a fellow intern. Martha prepares the first episode of her show, and Stephanie considers her romantic options.

Cassie, Abigail and Joy learn the origins of the pouches of soil but have more questions than answers. Cassie and Sam's double date with hospital administrator Grant and his girlfriend, Monica, doesn't go quite as planned. All of Middleton flashes back to the '50s when Martha organizes a "Grease" themed movie night in the park that ends with a surprise romantic gesture.

A storm continues to threaten the lives of the people in Middleton and Cassie and Sam work together to help.

Cassie and Sam decide to take a step forward, but his pushy ex-wife stalls them at the starting gate. Grace preps for the teenage rite of passage -- her driving test.

As Cassie's old friend John attempts to unearth their shared college memories, the Good Witch receives another visitor from her past when Ryan returns to Middleton seeking closure.

Cassie can't help but feel upset after Grace admits she's been spending more time with Sam to replace the hurt she feels from the loss of her own late father.

Cassie is surprised with adventurous outings by both Sam and John as she works on sorting out her conflicted feelings.

Cassie could be ready to take a chance on her feelings for Sam. Grace goes on a magical mission to fix a broken confidence.

Cassie decides to host a surprise party for Martha, but after she enlists the help of Stephanie and Abigail, she finds out her secret might not be kept.