S2, EP8 "Time Is Not On Our Side"
The Campbells and the Dunns prepare for the Tremont's grand reopening; Harper and Griffin realize that the crystal is cracking, which may prevent the time machine from working.
S2, EP7 "Check-out Time"
Harper returns home and fills Griffin in on the deed, stolen land, and her visions of a fire; after Sam disappears, Savannah finds a note saying that he's traveled to the future.
S2, EP6 "Crunch Time"
The Tremonts are duped by the judge and have 48 hours to vacate their land; when Griffin and Daisy rush toward the portal with the crystal, everything goes black.
S2, EP5 "It's About Time"
When Sam can't get his Time Machine to work, Savannah vows to help him; meanwhile, Griffin tells Daisy that he thinks Topher is hiding something and enlists her to find answers.
S2, EP4 "Wrong Place, Wrong Time"
When Daisy struggles at pretending to be Harper, Griffin searches for the crystal to swap them; after the twins don't hear from Topher, they try to capture the ghost themselves.
S2, EP3 "Time Out"
When Harper and Daisy get stuck in the wrong time periods, they must pretend to be each other to protect the secret of the portal and time travel.
S2, EP2 "No Time to Waste"
While the twins enlist Topher to confirm their haunting suspicions, Harper and Griffin travel back to 1930 to help unravel Harper's family secrets.
S2, EP1 "Only Time Will Tell"
After time traveling through the portal to 1930, Harper and Griffin unravel the mystery of who has been haunting the Tremont Hotel all along.