| Day | Date | Opponent | Location | TV | Outcome/Time |
| Sat | 11/06/2004 | TEAM CONCEPT (Exhibition) | PULLMAN | | W, 67-46
Recap | Box Score |
| Sat | 11/13/2004 | BADEN SPORTS (Exhibition) | PULLMAN | | W, 75-54
Recap | Box Score |
| Fri | 11/19/2004 | BOISE STATE | PULLMAN | | W, 61-48
Recap | Box Score |
| Mon | 11/22/2004 | Nebraska | Lincoln, Neb. | | L, 78-61
Recap | Box Score |
| Fri | 11/26/2004 | St. Mary's (Hilton Concord Thanksgiving Classic) | Moraga, Calif. | | W, 70-58
Recap | Box Score |
| Sat | 11/27/2004 | Tenn. Chatt./NW State (Hilton Concord Thanksgiving Classic) | Moraga, Calif. | | L, 84-36
Recap | Box Score |
| Fri | 12/03/2004 | PORTLAND STATE | PULLMAN | | W, 69-39
Recap | Box Score |
| Thu | 12/09/2004 | Fresno State | Fresno, Calif. | | L, 65-61
Recap | Box Score | Gametracker |
| Sat | 12/11/2004 | San Diego St | San Diego, Calif. | | W, 55-50
Recap | Box Score | Gametracker |
| Sat | 12/18/2004 | EASTERN WASHINGTON | PULLMAN | | L, 54-53
Recap | Box Score |
| Tue | 12/21/2004 | VALPARAISO | PULLMAN | | L, 56-50
Recap | Box Score |
| Mon | 12/27/2004 | ARIZONA STATE | PULLMAN | | L, 67-39
Recap | Box Score |
| Wed | 12/29/2004 | ARIZONA | PULLMAN | | L, 54-51
Recap | Box Score |
| Sun | 01/02/2005 | Stanford | Stanford, Calif. | | L, 72-39
Recap | Box Score | Gametracker |
| Tue | 01/04/2005 | California | Berkeley, Calif. | | L, 64-56
Recap | Box Score | Gametracker |
| Fri | 01/07/2005 | UCLA | PULLMAN | | L, 89-69
Recap | Box Score |
| Sun | 01/09/2005 | USC | PULLMAN | | L, 77-75 (OT)
Recap | Final Stats |
| Thu | 01/13/2005 | Oregon State | Corvallis, Ore. | | L, 83-55
Recap |
| Sat | 01/15/2005 | Oregon | Eugene, Ore. | | L, 69-50
Recap | Box Score |
| Sat | 01/22/2005 | WASHINGTON | PULLMAN | FSN Northwest | L, 68-61
Recap | Box Score |
| Thu | 01/27/2005 | CALIFORNIA | PULLMAN | | W, 79-69
Recap | Box Score |
| Sat | 01/29/2005 | STANFORD | PULLMAN | | L, 69-56
Recap | Box Score |
| Thu | 02/03/2005 | USC | Los Angeles | | L, 69-62
Recap | Box Score |
| Sun | 02/06/2005 | UCLA | Los Angeles | FSN | L, 68-63
Recap | Box Score |
| Thu | 02/10/2005 | OREGON | PULLMAN | | L, 62-47
Recap | Box Score |
| Sat | 02/12/2005 | OREGON STATE | PULLMAN | | W, 68-63
Recap | Box Score |
| Sat | 02/19/2005 | Washington | Seattle | FSN Northwest | L, 76-72
Recap | Box Score | Gametracker |
| Thu | 02/24/2005 | Arizona | Tucson, Ariz. | | L, 89-60
Recap | Box Score |
| Sat | 02/26/2005 | Arizona State | Tempe, Ariz. | | L, 59-40
Recap | Box Score |
| Fri | 03/04/2005 | Cal (Pacific-10 Conference Tournament) | San Jose, Calif. | | L, 70-52
Recap | Final Stats |
