September 9, 1959: Rock 'n' roll is about to become big, but not in Peoria. That is, unless Sam, as DJ Howlin' Chick Howell, can manage to keep the radio station where he's employed from being shut down by overly conservative town elders.

February 7, 1971: Sam leaps into a renowned parapsychologist where he must prevent a young widow from joining her husband at the bottom of a lake, while proving that she's not crazy, despite her claims of hearing her dead husband calling to her.

March 11, 1963: Babysitting a kidnapped tot and a flaky, compulsively lying stripper keeps Sam busy as they cross Texas, on the run from the legal father and a squad of cops.

April 1, 1969: When Sam leaps into the life of an undercover cop, Al explains that his mission is to convince a navy nurse that her MIA husband is still alive, and to prevent her from marrying a lawyer she meets on the day Sam leaps in. But a series of coincidences causes Sam to wonder about the true nature of his mission.

April 7, 1970: As a Navy SEAL in his own brother's squad, Sam must determine whether he is there to save Tom's life or ensure the success of the mission on which his brother was killed. Also Al from 1970 was a P.O.W.

June 15, 1965: Sam is a photographer who must protect a fashion model from a growing dependency on amphetamines and a predatory manager's ambitions.

June 15, 1945: Struck by lightning, Sam and Al find their roles reversed, as Sam returns to the future, and to a long-lost love, while Al leaps back to 1945 to prevent the death of a returning World War II hero and his former girl friend.

June 20, 1980: It's up to Sam to try to bring a rapist to justice when he leaps into the perp's victim, a young woman who may have been unwilling to press charges against the young man - the son of the pillar of the community.

April 30, 1959: Sam, as the singing half of a comedy team, soon finds that trying to convince two people that they're truly in love is no laughing matter, especially when one of them is the object of a sleazy casino owner's desire.