Episode list

Dylan and Lizzie look into the attempted murder of a successful author; Lizzie gets closer to learning the truth about the death of her fiancé, who was killed while under cover.

Dylan and Lizzie have trouble identifying a motive or connection when several average people blow themselves up using suicide bombs; Julian is concerned that Dylan could be exposing himself to past enemies.

In the season finale, Dylan and LIzzie investigate the murder of Joan's protege. Dylan and Andy adopt a child and Lizzie's promotion is put in jeopardy.

A dead body washes ashore with only his head, hands, and feet exposed while the rest of his swollen body is encased in a coffin. The dead body belongs to a divorce lawyer with many people who did not like him, and an estranged wife.

Dylan and Lizzie go undercover in New York's erotic underworld when they investigate the murder of a high-powered public relations rep. Also, a glamorous love from Julian's comes back into his life with a proposal he can't resist.

Two passerby discover a severed head in a pond near a park. Dylan and Lizzie investigate and find there are three additional severed heads in the pond, but no sign of the bodies. The coroner finds that the heads were all put in the pond at different times, and further finds that all four of the heads have s specific chemical in them. Julian is asked to help with some computer investigation once the identity of the most recent head is known, This leads to a strange medical experiment and a possible mad scientist. Meanwhile, Dylan has a visit from someone from his past.

When a woman is shot outside a community center, Dylan and Lizzie are challenged by the mayor to solve the case in less than 24 hours to quell pressure from the media and special interest groups.

Two members of an acting troupe are killed using sophisticated poisons; Andy worries that Dylan isn't fitting in, so he encourages Dylan to attend a barbecue being thrown by Detective Fucci.

A father is accused of murdering his wife and subsequently kidnapping his own son to avoid a custody battle with his in-laws who feel he is responsible for both crimes.

Dylan and Lizzie work to uncover why an Olympic-hopeful figure skater is killed while on the ice. Also, Ryan's case heats up and lands him and Dylan in unusual circumstances and Julian comes to understand why an old acquaintance has returned to New York.