James Spader and Megan Boone

NBC announced its season-finale dates Tuesday, including First Lady Michelle Obama's appearance on Parks and Recreation, and the Season 6 finale of The Voice.

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.

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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
Community, 8/7c
Parenthood, 10/9c

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
Revolution, 8/7c

Friday, May 16
Grimm, 9/8c

Tuesday, May 20
The Voice, 9/8c (two-hour finale)

Wednesday, May 21
Law and Order: SVU
, 9/8c

Chicago P.D., 10/9c

Friday, May 23
Hannibal, 10/9c

Which finales are you most looking forward to?