This short looks at the following questions: How would you act as an expectant father? How many greeting cards are sold in the USA each year? Why do indoor radiators make that pounding noise? Why do mammals yawn?
Unfortunately the movie Did'ja Know? is not yet available on HBO Max.
| Directing | Dave O'Brien | Director |
| Camera | Alfred Gilks | Director of Photography |
| Production | Pete Smith | Producer |
| Art | Lynden Sparhawk | Art Direction |
| Editing | Joseph Dietrick | Editor |
| Writing | Joe Ansen | Screenplay |
| Writing | Dave O'Brien | Screenplay |
