La valigetta del Presidente contenente i controlli missilistici è andata perduta per le strade di Washington D.C.

Gli adolescenti che giocano ai videogiochi vengono effettivamente utilizzati per pilotare missili.

Quando un supercomputer dotato di intelligenza artificiale disattiva i sistemi di armi nucleari statunitensi, Parker deve approfittare della sua infatuazione per lui.

Parker si licenzia quando viene annullato un Backstep che avrebbe salvato i bambini su un treno della metropolitana dall'essere uccisi e la squadra deve chiedersi se obbediscono agli ordini dell'NSA o agiscono in base alla loro coscienza.

Un'impalcatura che cade colpisce Parker e, mentre Olga lo veglia in coma, gli confessa il suo amore proprio mentre lui si sveglia per ascoltarla. Attraverso una serie crescente di sfide finiscono per sposarsi. . . ma non tutto è come sembra.

Un impianto alieno cura la paralisi del dottor Ballard, ma fa sì che la sua mente venga rilevata da Adam, l'alieno di Roswell.

Parker deve salvare la sorella di Olga, Svetlana, dalla mafia russa.

Parker deve impedire che una diga crollata uccida persone, ma quando è sotto l'effetto dell'alcol atterra nel bel mezzo di un'esecuzione, lasciando scappare un serial killer. Frank insiste nell'assumere le indagini per rimediare al suo errore.

Un problema di cablaggio provoca un'esplosione al matrimonio della principessa Lisette e Parker deve proteggere la principessa e Olga, dopo aver scoperto che i responsabili erano terroristi.

Parker must Backstep to prevent a submarine from blowing up, and a U.S. cruiser in the area from triggering a nuclear war between China and the U.S.

A doctor in California destroys the entire state by experimenting with explosive fault line devices, and Parker must prevent a tidal wave from killing over ten million people. Complications arise when he Backsteps and ends up with a strange creature capable of generating temporal disruptions that is intent on destroying Backstep.

Parker Backsteps to prevent a mine shaft from exploding and killing thousands of people, including a nearby military base. However, things go awry when the Sphere materializes deep within the Earth and the Backstep team have no idea where Frank is or what he was sent back to avert.

Parker Backsteps to save a Nobel Peace Prize recipient, but passes through the side of an airline flight, causing it to crash. A boy on board the plane is taken along with Frank into the past, and he must save the Peace Prize winner, stop the crash, and help the boy save his grandfather.

Parker must save Talmadge, who is captured by commandos who intend to torture and kill him for information on Operation Backstep. But when he fails, only his newfound ability to loop time lets him complete the mission.

Parker Backsteps to stop Fidel Castro's son Teo, a boxer, from being murdered in his comeback fight - an incident that leads to Castro launching a nuclear missile strike on Miami.

Parker and Olga must recover a kidnapped baby created in a lab as part of a genetic experiment to breed super-geniuses.

Parker must Backstep to prevent Ramsey's younger brother, mentally ill and off his medication, from killing a Senator.

When the Pope is assassinated, a mixed-up Backstep occurs and Parker finds himself occupying the body of the Holy Pontiff.

Parker Backsteps to prevent three high school girls from accidentally blowing up a hotel, but it turns out to be a bit more involved then that.

When a reverend fighting against drug deals in Donovan's old neighborhood gets killed, Donovan's sister is killed as well. Donovan investigates and is arrested for killing one of the men responsible, and Frank engineers a Backstep to go back and save his friend.

Parker is ordered to Backstep in order to prevent a Presidential candidate from being assassinated. His mission is a success and the Governor asks him to join his campaign team, but Frank soon discovers the Governor has psychological issues and his daughter is trying to get the evidence to the public.

A scientist comes up with a cure for cancer, unaware it will unleash a deadly plague. The NSA of 168 years in the future send back an assassin to kill her before her ""cure"" wipes out the world.