The BC Lions and Ottawa Redblacks kick off Week 4 on Thursday night, followed by the Edmonton Elks at the Hamilton Tiger-Cats on Friday night. On Saturday, the Montreal Alouettes clash against the Saskatchewan Roughriders. Week 4 concludes on Monday with the Winnipeg Blue Bombers at the Toronto Argonauts.
Thursday, June 30th:
| Matchup | Time | TV |
| BC Lions at Ottawa Redblacks | 7:30 pm | ESPN2 |
Friday, July 1st:
| Matchup | Time | TV |
| Edmonton Elks at Hamilton Tiger-Cats | 7:30 pm | ESPN+ |
Saturday, July 2nd:
| Matchup | Time | TV |
| Montreal Alouettes at Saskatchewan Roughriders | 7 pm | ESPN2 |
Monday, July 4th:
| Matchup | Time | TV |
| Winnipeg Blue Bombers at Toronto Argonauts | 7:30 pm | ESPN+ |
