(I know, they were probably ready to air before it was shuffled off of Sunday evenings. I would hope that’s the case.)
If that's the case, then they certainly sat on them a while, considering that debuts have been as follows...
SU 11-29-2020: 74_0088 and 74_0089 (first "fresh" NYSI episodes since July 2018)
SU 12-06-2020: 74_0090 and 74_0091
SU 12-13-2020: 74_0092 and 74_0093
SU 12-20-2020: 74_0094 and 74_0096
SU 05-30-2021: 74_0097 and 74_0098
SU 06-06-2021: 74_0099 and 74_0100
SU 06-13-2021: 74_0101 and 74_0102
SU 06-20-2021: 74_0103 and 74_0104
SU 06-27-2021: 74_0105 and 74_0106
SU 07-04-2021: 74_0107 and 74_0108
SU 07-11-2021: 74_0109 and 74_0110
SU 07-18-2021: 74_0111 and 74_0112
SU 07-25-2021: 74_0113 and 74_0114
SU 08-01-2021: 74_0115 and 74_0116
SU 08-08-2021: 74_0117 and 74_0118
SU 08-15-2021: 74_0119 and 74_0120
SU 08-22-2021: 74_0121
None of the above were in the Sunday 10pm hour.