Khan Academy
Khan Academy: Cytotoxic T Cells
How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells. [10:05]
Khan Academy
Khan Academy: Biology: Role of Phagocytes in Innate or Nonspecific Immunity
An explanation of the part the inflammatory response within the immune system. [16:20]
Khan Academy
Khan Academy: Biology: Cytotoxic T Cells
The role of cytotoxic T cells and how they terminate cells infected with viruses. [10:06]
Cells Alive
Cells Alive!: The Cytotoxic T Lymphocyte
Nice graphic of the T-lymphocyte in action. Click on the "640K movie" link for a Quicktime movie of the cell killing an influenza virus. Some of the animations are offered for sale, but some are available free.