Did'ja Know? (1950) is a Comedy film that follows 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? Did'ja Know? is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.0 out of 10 from 4 votes. Fans of comedy movies may also want to explore similar titles below.