Bedside Manor - 2007 ADD was released on: USA: 21 August 2008
Just Add Blood - 2011 was released on: USA: 18 December 2011 (video premiere)
He gets him to tweak the play The Murder of Gonzago so it looks more like the murder of Hamlet Sr. by Claudius.
What's the Alternative - 2007 Dyslexia and ADD Therapy was released on: USA: 7 November 2007
Sophomores - 2010 Add Dropped 1-2 was released on: USA: 24 March 2010
Zeffirelli does not open with a the scene written by Shakespeare, where King Hamlet's ghost arrives. Instead Zeffirelli take the liberty to add a scene where old King Hamlet is being buried. That would be the main difference and Zeffirelli had a number of reasons for doing so
Shake It Up - 2010 Add It Up 1-4 was released on: USA: 28 November 2010
Conic Sections in Math - 1995 Add That Plan 1-5 was released on: USA: 4 February 1995
My House Is Worth What - 2006 Will an Addition Add Up 5-1 was released on: USA: 8 August 2008
Kitchen Impossible - 2009 Add a Bit of Shine 4-9 was released on: USA: 7 September 2010
Rescue 8 - 1958 Add a Pinch of Death 2-20 was released on: USA: 3 February 1960
Month of the Novel - 2011 Just Add Epic 2-2 was released on: USA: 5 November 2013