The Mystery of the MazeUpon moving into their university residence, the twins discover a mysterious letter that hints of an unsolved murder.
The Initiation
E2
The InitiationLife at Bayfield University proves to be a real education as Tom undergoes a fraternity initiation and Annie's lab partner protests the use of animals in scientific research.
Illegal Procedure
E3
Illegal ProcedureWhen Bayfield's star quarterback is accused of taking drugs, the twins make it their goal to clear his name.
The People's Choice
E4
The People's ChoiceThe twins branch out into school politics when they support an environmental advocate's efforts to be elected to student government.
The Revenge of the Plants
E5
The Revenge of the PlantsAnnie's enthusiasm grows when Tom digs up a way to make her botany project germinate more effectively.
Supersalesman
E6
SupersalesmanPaul learns a lesson about the power of persuasion when he's taken in by Annie's charismatic new tutor.
The Legacy of Bayfield Downs
E7
The Legacy of Bayfield DownsThe stakes are high when the twins get involved in a treasure hunt while horseback riding.
Money for Nothing
E8
Money for NothingAnnie pointedly disapproves of Tom's involvement in a pyramid money-making scheme.
The Golden Goose Chase
E9
The Golden Goose ChaseTom and Annie conduct their own investigation to prove that the police have arrested the wrong man for a recent crime.
How to Haunt a Haunted House
E10
How to Haunt a Haunted HouseTom is haunted by the possibility that he saw a ghost in an abandoned house, until Annie prompts him to conduct a scientific investigation.
A Message for Triton
E11
A Message for TritonThe twins try to track down a hacker who's determined to crash the university's computer system.
The Continental Twist
E12
The Continental TwistA seemingly friendly travel agent forces Tom to take an unexpected trip into the world of international intrigue.
Vows from the Deep
E13
Vows from the DeepLance's announcement that he's tying the knot has the twins at the end of their rope when they are put in charge of pulling the affair together.
