The name Michael O'Hara has become synonymous with law enforcement. There have been three generations of Michael O'Haras and all have been exemplary policemen. When Michael O'Hara III's child was born he was told that they would not be able to have any more children, and there has always been a Michael O'Hara, so he named his child Michael O'Hara IV despite the fact that she is a girl. Now Mike has a tendency to get involved with police matters and not always with good results, which annoys her father. And despite being told repeatedly to stay out of it, she continues her amateurish detective activities.

In 1904, Doc Tilbee, medicine show huckster and champion tall-tale teller, gives a ride to a young boy escaped from an orphanage, where bad conditions (the result of political graft) are being investigated by new appointee Zerelda Wing, who doesn't know that her fiancée is one of the politicians responsible. Tad wants to stay with his new friend Doc, who is attracted to Zerelda, to the discomfiture of his old flame Clara...all amid nostalgic musical numbers.

When Willie leaves home to join the war effort he is all ready to become a hero, but he is only frustrated when his posting ends up to be in his home town, and he is recruited into training, keeping him from the action. However, when he finds himself accidently behind enemy lines he unexpectedly becomes a hero after all.

Radio star Kitty Moran, long married to partner Jack, finds she's pregnant, but miscarries. For a change, the couple turn their act into a series on early TV and try to adopt a baby. Finally they acquiring a girl in a somewhat back alley manner.

A G.I. in occupied Japan tries to re-woo his old love, who's putting on a show for the troops.

American Masters Series. Documentary on Gene Kelly that gives insight into his dancing, how he formed a style (first "blue collar dancer") and developed different cinematique techniques, such as brilliantly shot dancing sequences.