Amoeba Sisters
Immune System
Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.
Catalyst University
Summary of the Adaptive Immune System [T & B Cells]
In this video, we explore the adaptive immune system and the interplay between helper T-cells, cytotoxic T-cells, and B-cells.
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]
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.