A streetcar conductor has adventures with a would-be passenger hippo, a cow blocking the tracks, and a runaway train while he, his passengers, and some hobos sing the title song.
Unfortunately the movie Smile, Darn Ya, Smile! is not yet available on HBO Max.
| Directing | Rudolf Ising | Director |
| Production | Rudolf Ising | Producer |
| Production | Hugh Harman | Producer |
| Production | Leon Schlesinger | Producer |
| Sound | Frank Marsales | Original Music Composer |
| Sound | Bernard B. Brown | Sound |
| Visual Effects | Friz Freleng | Animation |
| Visual Effects | Carman Maxwell | Animation |
| Visual Effects | Larry Martin | Animation |
