In pursuit of the ring, the Bumblers don new identities under Maddie's tutelage. Ezra forms an unlikely relationship with a Toby Jug collector, while Max and Sally try to dig up dirt from the Doctor's past.

Niagara Falls is the backdrop as the Bumblers, Maddie, Max, Sally, and Sofia try to stay one step ahead of the Doctor in an attempt to ensure their freedom and make the score of a lifetime. Series Finale.