"The Only Light In The Darkness" - With their world turned upside down, Coulson races to save the life of his one true love as the mystery of "The Cellist," which began in Marvel's The Avengers, is finally revealed on Marvel's Agents of S.H.I.E.L.D., TUESDAY, APRIL 22 (8:00-9:01 p.m., ET) on the ABC Television Network.
In addition, we now have the titles for the penultimate ep, and season finale of the show: Episode 1.21 will be called
"Ragtag", and Episode 1.22 will be called
"Beginning of the End"