The First Lady will stop by Parks and Recreation on Thursday, April 24 at 8/7c for the workplace comedy's one-hour season finale.
The Voice will name its Season 6 winner during its two-hour finale on Tuesday, May 20 at 9/8c.
Check out NBC's full list of season finales:
Thursday, April 17
Thursday, April 24
Parks and Recreation, 8/7c (one-hour finale)
Monday, May 12
The Blacklist, 10/9c
Tuesday, May 13
Chicago Fire, 10/9c
Wednesday, May 14
Friday, May 16
Tuesday, May 20
The Voice, 9/8c (two-hour finale)
Wednesday, May 21
Law and Order: SVU, 9/8c
Which finales are you most looking forward to?