Mark your calendars and set your DVRs, ABC viewers. The network has unveiled its upcoming season finale schedule, which includes the final episode ever for Desperate Housewives...

Tuesday, May 1
Last Man Standing

Sunday, May 6
GCB

Monday, May 7
Castle

Sunday, May 13
Once Upon a Time
Desperate Housewives (two-hour series finale)

Tuesday, May 15
Cougar Town (one-hour finale)
Private Practice

Wednesday, May 16
Suburgatory

Thursday, May 17
Missing (premieres Thursday, March 15)
Grey’s Anatomy
Scandal (premieres Thursday, April 5)

Tuesday, May 22
Dancing with the Stars (winner announced)

Wednesday, May 23
The Middle
Modern Family
Don’t Trust the B—- in Apartment 23 (premieres Wednesday, April 11)
Revenge

NOTE: The River will conclude its first season on  March 20, while Happy Endings ends its sophomore run on April 4.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.