At one point during filming, ‘Drew Barrymore’ was consistently forgetting her lines, annoying Steven Spielberg to the point where he actually yelled at her. He later found out that she had reported to work with a very high fever. Feeling guilty, he hugged her and apologized repeatedly as she cried and cried. He then sent her home - with a note from her director.
ET: The Extra-Terrestrial (1982)