Peterborough Petes Schedule
All times Eastern
| September 20, 2018 | W | Kingston Frontenacs 0 at Peterborough Petes 4 | Final |
| September 23, 2018 | W | Peterborough Petes 7 at Ottawa 67's 3 | Final |
| September 27, 2018 | W | Niagara IceDogs 2 at Peterborough Petes 5 | Final |
| September 29, 2018 | L | Hamilton Bulldogs 7 at Peterborough Petes 1 | Final |
| October 4, 2018 | W | Soo Greyhounds 2 at Peterborough Petes 5 | Final |
| October 6, 2018 | L | Peterborough Petes 2 at Hamilton Bulldogs 3 | Final |
| October 8, 2018 | W | Peterborough Petes 4 at North Bay Battalion 1 | Final |
| October 11, 2018 | W | Erie Otters 4 at Peterborough Petes 5 | Final (OT) |
| October 12, 2018 | W | Peterborough Petes 2 at Oshawa Generals 1 | Final |
| October 13, 2018 | W | Windsor Spitfires 2 at Peterborough Petes 4 | Final |
| October 18, 2018 | L | Oshawa Generals 4 at Peterborough Petes 1 | Final |
| October 19, 2018 | L | Peterborough Petes 0 at Mississauga Steelheads 3 | Final |
| October 21, 2018 | L | Peterborough Petes 1 at Oshawa Generals 4 | Final |
| October 24, 2018 | L | Peterborough Petes 0 at Niagara IceDogs 3 | Final |
| October 25, 2018 | W | Sudbury Wolves 2 at Peterborough Petes 5 | Final |
| October 27, 2018 | L | Peterborough Petes 2 at Owen Sound Attack 5 | Final |
| November 1, 2018 | W | Oshawa Generals 2 at Peterborough Petes 3 | Final (OT) |
| November 2, 2018 | W | Peterborough Petes 4 at Kingston Frontenacs 3 | Final |
| November 6, 2018 | L | Kitchener Rangers 5 at Peterborough Petes 3 | Final |
| November 10, 2018 | L | Hamilton Bulldogs 3 at Peterborough Petes 1 | Final |
| November 15, 2018 | W | Owen Sound Attack 3 at Peterborough Petes 4 | Final (OT) |
| November 16, 2018 | L | Peterborough Petes 3 at London Knights 7 | Final |
| November 17, 2018 | L | Peterborough Petes 3 at Sarnia Sting 7 | Final |
| November 22, 2018 | W | Kingston Frontenacs 2 at Peterborough Petes 8 | Final |
| November 24, 2018 | W | Peterborough Petes 4 at Erie Otters 0 | Final |
| November 25, 2018 | W | Peterborough Petes 6 at Hamilton Bulldogs 3 | Final |
| November 29, 2018 | W | North Bay Battalion 1 at Peterborough Petes 4 | Final |
| November 30, 2018 | L | Peterborough Petes 2 at Sudbury Wolves 3 | Final |
| December 6, 2018 | W | Hamilton Bulldogs 3 at Peterborough Petes 4 | Final (OT) |
| December 9, 2018 | L | Peterborough Petes 2 at Ottawa 67's 4 | Final |
| December 13, 2018 | W | Flint Firebirds 2 at Peterborough Petes 5 | Final |
| December 14, 2018 | L | Peterborough Petes 1 at Guelph Storm 6 | Final |
| December 16, 2018 | W | Ottawa 67's 3 at Peterborough Petes 6 | Final |
| December 28, 2018 | L | Peterborough Petes 1 at Kingston Frontenacs 6 | Final |
| December 29, 2018 | W | Mississauga Steelheads 2 at Peterborough Petes 3 | Final (SO) |
| January 1, 2019 | L | Peterborough Petes 1 at Kitchener Rangers 3 | Final |
| January 3, 2019 | L | Mississauga Steelheads 6 at Peterborough Petes 5 | Final (SO) |
| January 4, 2019 | W | Peterborough Petes 5 at Kingston Frontenacs 3 | Final |
| January 6, 2019 | W | Peterborough Petes 7 at Mississauga Steelheads 4 | Final |
| January 10, 2019 | L | Oshawa Generals 6 at Peterborough Petes 5 | Final (OT) |
| January 12, 2019 | L | North Bay Battalion 7 at Peterborough Petes 2 | Final |
| January 17, 2019 | L | Guelph Storm 5 at Peterborough Petes 3 | Final |
| January 18, 2019 | L | Peterborough Petes 0 at Ottawa 67's 4 | Final |
| January 19, 2019 | W | Sarnia Sting 3 at Peterborough Petes 6 | Final |
| January 24, 2019 | L | Saginaw Spirit 5 at Peterborough Petes 4 | Final |
| January 25, 2019 | L | Peterborough Petes 4 at Sudbury Wolves 7 | Final |
| January 26, 2019 | L | Peterborough Petes 2 at Soo Greyhounds 8 | Final |
| January 30, 2019 | W | Hamilton Bulldogs 3 at Peterborough Petes 6 | Final |
| February 1, 2019 | L | Peterborough Petes 6 at Oshawa Generals 12 | Final |
| February 2, 2019 | L | Oshawa Generals 6 at Peterborough Petes 3 | Final |
| February 7, 2019 | L | Ottawa 67's 4 at Peterborough Petes 3 | Final (SO) |
| February 8, 2019 | W | Peterborough Petes 4 at Kingston Frontenacs 3 | Final (SO) |
| February 13, 2019 | L | Peterborough Petes 3 at Oshawa Generals 6 | Final |
| February 14, 2019 | L | Barrie Colts 4 at Peterborough Petes 2 | Final |
| February 16, 2019 | L | Peterborough Petes 4 at Hamilton Bulldogs 6 | Final |
| February 18, 2019 | L | Niagara IceDogs 5 at Peterborough Petes 2 | Final |
| February 21, 2019 | W | London Knights 1 at Peterborough Petes 3 | Final |
| February 23, 2019 | L | Peterborough Petes 0 at Niagara IceDogs 5 | Final |
| February 24, 2019 | W | Kingston Frontenacs 1 at Peterborough Petes 4 | Final |
| February 28, 2019 | W | Peterborough Petes 5 at Windsor Spitfires 1 | Final |
| March 2, 2019 | W | Peterborough Petes 6 at Flint Firebirds 2 | Final |
| March 3, 2019 | L | Peterborough Petes 0 at Saginaw Spirit 8 | Final |
| March 7, 2019 | W | Kingston Frontenacs 0 at Peterborough Petes 7 | Final |
| March 9, 2019 | W | Peterborough Petes 5 at Barrie Colts 4 | Final |
| March 10, 2019 | W | Peterborough Petes 6 at North Bay Battalion 5 | Final |
| March 14, 2019 | L | Ottawa 67's 3 at Peterborough Petes 2 | Final (OT) |
| March 15, 2019 | W | Peterborough Petes 3 at Ottawa 67's 2 | Final (OT) |
| March 16, 2019 | L | Sudbury Wolves 3 at Peterborough Petes 1 | Final |
| March 22, 2019 | L | Peterborough Petes 0 at Oshawa Generals 7 (Playoff Gm. 1) | Final |
| March 24, 2019 | L | Peterborough Petes 2 at Oshawa Generals 8 (Playoff Gm. 2) | Final |
| March 26, 2019 | W | Oshawa Generals 2 at Peterborough Petes 3 (Playoff Gm. 3) | Final |
| March 28, 2019 | L | Oshawa Generals 5 at Peterborough Petes 2 (Playoff Gm. 4) | Final |
| March 30, 2019 | L | Peterborough Petes 2 at Oshawa Generals 4 (Playoff Gm. 5) | Final |
