Married at First Sight S17 E4 was never loaded on demand, but E5 is now available.
@JoeB45 -- a similar thread: https://support.shaw.ca/t5/tv-discussions/episodes-missing-on-demand/td-p/58020
As suggested in that thread, see if the web-site for the TV channel that shows those episodes offers the episode for viewing.
@JoeB45 -- on your computer, you may freely place an order to view 41 episodes, via: https://vod.shaw.ca/details/432162/married_at_first_sight/
Read more on this topic or keep the conversation going by answering a question or starting a discussion of your own.