Adding to Christmas specials like "Santa Claus Is Comin' to Town," "A Charlie Brown Christmas" and "I Want a Dog for Christmas, Charlie Brown" is Shrek called Shrek the Halls. It is slated to air Decmeber 2007 on ABC, with the original cast reprise their roles (Mike Myers, Cameron Diaz, Eddie Murphy and Antonio Banderas). ABC is owned by Disney and Shrek is from Dreamworks, which is owned by former Disney employees.
Article here.
Article here.