The traintastic crew are back on the rails. Trainee engines Koko, Wilson and Brewster with their young friend, Zephie and new trainees Hoot and Toot, try to keep everything rolling smoothly,but their curiosity and good intentions often signals trouble on the tracks...

Marianne Dashwood wears her heart on her sleeve when she falls in love with the charming but unsuitable John Willoughby, ignoring her sister Elinor's warning that her impulsive behavior leaves her open to gossip and innuendo. Elinor, sensitive to social convention, struggles to conceal her own romantic disappointment, even from those closest to her. Will the sisters learn that sense must mix with sensibility if they are to find personal happiness in a society where status and money govern the rules of love?

The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.