| 1998 - Sci-Fi Channel | |||||||||
| Date | Day | Time | Episode | ||||||
| 1/3/1998 | Saturday | 5PM/11PM | 819 | ||||||
| 1/10/1998 | Saturday | 5PM/11PM | 813 | ||||||
| 1/17/1998 | Saturday | 5PM/11PM | 814 | 1/4/1998 | Sunday | 9:30AM | Sci-Fi Buzz 200th Anniversary Show | ||
| 1/24/1998 | Saturday | 5PM/11PM | 815 | ||||||
| 1/31/1998 | Saturday | 5PM/11PM | 820 | ||||||
| 2/7/1998 | Saturday | 5PM/11PM | 805 | ||||||
| 2/14/1998 | Saturday | 11:30PM only | 803 | ||||||
| 2/21/1998 | Saturday | 5PM/11PM | 821 | ||||||
| 2/28/1998 | Saturday | 5PM/11PM | 822 | ||||||
| 3/7/1998 | Saturday | 5PM/11PM | 810/ 805 | 3/19/1998 | Thursday | 7:30PM/11:30PM | Academy of Robots' Choice Awards | ||
| 3/14/1998 | Saturday | 5PM/11PM | 901 | NEW | 3/20/1998 | Friday | 6:30PM/12Mid | Academy of Robots' Choice Awards | |
| 3/21/1998 | Saturday | 5PM/11PM | 902 | NEW | 3/21/1998 | Saturday | 4:30PM | Academy of Robots' Choice Awards | |
| 3/28/1998 | Saturday | 5PM/11PM | 816 | 3/22/1998 | Sunday | 9AM | Academy of Robots' Choice Awards | ||
| 4/4/1998 | Saturday | 5PM/11PM | 903 | NEW | 3/23/1998 | Monday | 8PM/12Mid | Academy of Robots' Choice Awards | |
| 4/11/1998 | Saturday | 5PM/11PM | 811 | ||||||
| 4/18/1998 | Saturday | 5PM/11PM | 904 | NEW | |||||
| 4/25/1998 | Saturday | 5PM/11PM | 812 | ||||||
| 5/2/1998 | Saturday | 5PM/11PM | 817 | ||||||
| 5/9/1998 | Saturday | 5PM/11PM | 905 | NEW | |||||
| 5/16/1998 | Saturday | 5PM/11PM | 802 | ||||||
| 5/23/1998 | Saturday | 5PM/11PM | 818 | ||||||
| 5/30/1998 | Saturday | 5PM/11PM | 804 | ||||||
| 6/6/1998 | Saturday | 5PM/11PM | 806 | ||||||
| 6/13/1998 | Saturday | 5PM/11PM | 906 | NEW | |||||
| 6/20/1998 | Saturday | 5PM/11PM | 819 | ||||||
| 6/27/1998 | Saturday | 5PM/11PM | 907 | NEW | |||||
| 7/4/1998 | Saturday | NA | Twilight Zone Marathon | ||||||
| 7/11/1998 | Saturday | 5PM/11PM | 908 | NEW | |||||
| 7/18/1998 | Saturday | 5PM/11PM | 909 | NEW | |||||
| 7/25/1998 | Saturday | 5PM/11PM | 910 | NEW | |||||
| 8/1/1998 | Saturday | 5PM/11PM | 901 | (with corrected sound) | |||||
| 8/8/1998 | Saturday | 5PM/11PM | 902 | ||||||
| 8/15/1998 | Saturday | 5PM/11PM | 911 | NEW | |||||
| 8/22/1998 | Saturday | 5PM/11PM | 903 | ||||||
| 8/29/1998 | Saturday | 5PM/11PM | 912 | NEW | |||||
| 9/5/1998 | Saturday | 5PM/11PM | 807 | 9/4/1998 | Friday | 11:30AM/6PM/4x | 2nd Annual MST3K Summer Blockbuster Review | ||
| 9/12/1998 | Saturday | 5PM/11PM | 808 | 9/5/1998 | Saturday | 4:30PM/5x | 2nd Annual MST3K Summer Blockbuster Review | ||
| 9/19/1998 | Saturday | 5PM/11PM | 815 | ||||||
| 9/26/1998 | Saturday | 5PM/11PM | 913 | NEW | |||||
| 10/3/1998 | Saturday | 5PM/11PM | 817 | ||||||
| 10/10/1998 | Saturday | 5PM/11PM | 818 | ||||||
| 10/17/1998 | Saturday | 5PM/11PM | 809 | ||||||
| 10/24/1998 | Saturday | 5PM/11PM | 904 | ||||||
| 10/31/1998 | Saturday | NA | Halloween Movie Marathon | ||||||
| 11/7/1998 | Saturday | 5PM/11PM | 814 | ||||||
| 11/14/1998 | Saturday | 5PM/11:30PM | 816 | ||||||
| 11/21/1998 | Saturday | 5PM/11PM | 820 | ||||||
| 11/28/1998 | Saturday | 5PM/11PM | 821 | ||||||
| 12/5/1998 | Saturday | 5PM/11:10PM | 819 | ||||||
| 12/12/1998 | Saturday | 5PM/11PM | 905 | ||||||
| 12/19/1998 | Saturday | 5PM/11PM | 813 | ||||||
| 12/26/1998 | Saturday | 5PM/11PM | 907 | ||||||