| January 7, 2021 | Kathryn Lenz, Ohio State University | | |
| February 11, 2021 | Susan Campbell, Virginia Tech | | |
| March 25, 2021 | Jaeda Coutinho-Budd, Vermont | | |
| April 1, 2021 | Anthony Filiano, Duke University | | |
| May 27, 2021 | Antoine Louveau, Cleveland Clinic | | |
| June 3, 2021 | Asya Rolls, Technion | | |
| June 10, 2021 | Jessica Williams, Cleveland Clinic | | |
| June 17, 2021 | Marie-Eve Tremblay, University of Victoria | | |
| July 15, 2021 | | | |
| July 22, 2021 | | | |
| July 29, 2021 | | | |
| August 5, 2021 | Brian Kalish, University of Toronto | | |
| August 12, 2021 | | | |
| August 19, 2021 | | | |
| August 26, 2021 | | | |
| September 2, 2021 | | | |
| September 9, 2021 | Julie Siegenthaler, University of Colorado | | |
| September 16, 2021 | | | |
| September 23, 2021 | | | |
| September 30, 2021 | Andrew Oberst, University of Washington | | |
| October 7, 2021 | | | |
| October 14, 2021 | Marion Buckwalter, Stanford | | |
| October 21, 2021 | Brian MacVicar, Univ British Columbia | | |
| October 28, 2021 | | | |
| November 4, 2021 | Anne Schaefer, Mount Sinai New York | | |
| November 11, 2021 | | | |
| November 18, 2021 | | | |
| December 2, 2021 | | | |
| December 9, 2021 | | | |
| | | |
