The following plays or other works have been mentioned as sources for Reunion scenes:

2 Gents (pirates)
Comedy of Errors (knocking at the gate, Dr. Pinch)
Taming (servants at Petruchio's return)
Much Ado (Dogberry and the great chase, Kill Claudio (done in 2005))
LLL (play with the play)
AYL (Ducdame)
MND (Blame Clayton! Bottom's Dream)
Cymbeline (Iachino in the trunk, funeral song)
Winter's Tale (Paulina shows Leontes his infant child, dance of the 12 satyrs, final scene)
Lear (Lear-Cordelia reconciliation)
Pericles (final scene)
"Brats of Clarence" by Paul Menzer
Hamlet (advice to the players, grave diggers)
Sonnet 30 (remembrance of things past)
Henry V (muse of fire)
3 Henry VI (Duke of York: "o tiger's heart….)
Othello (how 2 win Desdemona)
Sonnets 40, 116, 130, 138, 142 or others
Antony and Cleopatra -- news that Antony has married Octavia,  also: II.vii. song-and-dance
Measure for Measure -- Angelo wants only one thing: Isabella's virginity.
Macbeth: porter's scene, weird sisters.
Tempest: drunks. epilogue.
12th Night: drunks (done in 2005)
HVIII: Wolsey and Catherine. Epilogue.
"Everything and Nothing" -- Borges (Mike says Irby translation is better than Kerrigan!)
"Little Gidding" -- Eliot
Falstaff scenes (1 and 2 Henry IV, Merry Wives, "Chimes at Midnight")
"Kiss Me Kate" -- "Brush Up Your Shakespeare"
R&J (Nurse scenes)