The California Atoms are in last place with no hope of moving up. But by switching the mule from team mascot to team member, (He can kick 100 yard field goals!) they start winning, and move up in the rankings, Hurrah! The competition isn't so happy.

In the U. S. Army intelligence office, bumbling lieutenant Peter Stirling receives a coded message from his friend, Francis, a talking mule. The note urges Pete to hurry to the Coronado, California naval base, where Francis is about to be sold as surplus. Pete rushes to the train station, but before he can board, nurse Betsy Donevan mistakes him for her shell-shocked brother, Navy boatswain Slicker Donevan. She tries to forcibly remove his uniform so he will not get into trouble for impersonating an Army officer. Finally she realizes that Pete is not Slicker but merely his mirror image.

Virginia O'Brien visits Martin Block as he hosts a radio show devoted to Les Brown and His Band of Renown. A few numbers are heard from the band as Block gives a brief history of how they started. O'Brien also recalls her first movie song.

In 1915, Kansas theatre usher Merton Gill is a rabid silent-movie fan. When he brings Mammoth Studios free publicity by imitating star Lawrence Rupert's heroics, they bring him to Hollywood to generate another headline; he thinks he'll get a movie contract. Disillusioned, he haunts the casting offices, where he meets and is consoled by Phyllis Montague, bit player and stunt-woman. When Merton finally gets his "break," though, it's not quite what he envisioned.

Light bio-pic of American Broadway pioneer Jerome Kern, featuring renditions of the famous songs from his musical plays by contemporary stage artists, including a condensed production of his most famous: 'Showboat'.

Chaos is brought to a family when daughter marries a brash young man met on a blind date.

On a train trip out west to become a mail-order bride, Susan Bradley meets a cheery crew of young women traveling out to open a "Harvey House" restaurant at a remote whistle-stop.

The late, great impresario Florenz Ziegfeld looks down from heaven and ordains a new revue in his grand old style.

Frank Morgan is hired to put together a movie using odds and ends from the MGM vaults. He does so by splicing together a string of completely unrelated short subjects and musical numbers, interspersed with a repeated loop of a scene from some melodrama. (Contains in their entirety the shorts, "Musical Masterpieces," "Our Old Car," and "Badminton," as well as clips from other projects)

A sailor helps two sisters start up a service canteen. The sailor soon becomes taken with gorgeous sister Jean, unaware that her sibling Patsy is also in love with him.

A idealistic shipyard worker interests a beautiful Hollywood star in staging a musical tribute to the war industry, but they disagree on some important issues.

Acrobat Eddie Marsh is in the army now. His first act is to become friendly with Kathryn Jones, the colonel's pretty daughter. Their romance hits a few snags, including disapproval from her father. Eddie's also plagued by fear of having an accident during his family's trapeze act in the army variety show, which also features a gallery of MGM stars.

Hat check man Louis Blore is in love with nightclub star May Daly. May, however, is in love with a poor dancer but wants to marry for money. When Louis wins the Irish Sweepstakes, he asks May to marry him and she accepts even though she doesn't love him. Soon after, Louis has an accident and gets knocked on the head, where he dreams that he's King Louis XV pursuing the infamous Madame Du Barry.

Sailors and spies mingle in between the acts at Hattie's nightclub in the Canal Zone.

Miss Winters is a dancer with the Tommy Dorsey Orchestra and is asked to secretly transport a prototype magnetic mine to Puerto Rico. She thinks that she is working for the US Government, but fails to see why she would be involved.

Married songwriters almost split up while putting on a big show.

This edition of Screen Snapshots has more of a vaudeville flavor as opposed to Ralph Staub's usual candid-camera at home with the stars offerings. Ken Murray, assisted by the Brewer Twins, is the MC, while the Andrews Sisters sing "In Apple Blossom Time" and the pre-"Uncle Miltie" Milton Berle plays his clarinet. The rest of the players, with contract-player faces belonging to 20th-Century Fox, RKO Radio, Universal and Columbia, just pass through. Production Number 3851.

Young undefeated boxer Terry Dolan, who's been lying to his invalid mother about his career, confides to Maisie that he hates and is terrified by boxing and wants out. Not wanting to let down his best friend and manager Skeets Maguire, who has hopes of him becoming the next champion, he is reluctant to bring up the subject with him. Maisie convinces Terry to tell Skeets, whose unexpected reaction induces him to step into the ring again.

A detective is hired to protect the life of a singer, who has recently inherited a department store, from the store's crooked manager.

A radio actor faces trouble when a science-fiction story causes the audience to panic.

This final Carter film is a lot of fun, with Nick (unwillingly, at first) taking on a ring of Fifth Columnists (since this was filmed before the US entered the war, we're not told the villains are Nazis, but it's pretty clear anyway). Of course, the helpful and persistent Bartholomew is at his side--much to Nick's irritation. To further complicate things--and to make them still funnier--Joyce Compton is along for the ride too, as a delightfully brainless "detective" named Christine Cross.