The trial of former president Mohamed Morsi and 14 senior members of his Muslim Brotherhood group has been adjourned until 5 April.
The defendants are accused of inciting the killing of protesters during clashes outside the Ittihadiya presidential palace in December 2012.
Video footage of the clashes shown in court on Sunday was taken from the January 2011 uprising, defence lawyer Atef El-Gelaly told Ahram Online.
Experts from state television said all the footage was genuine, CBC reported.
The separate trial of senior Brotherhood members Safwat Hegazi and Mohamed El-Beltagy, for torturing two police officers at the pro-Morsi Rabaa Al-Adawiya sit-in, was adjourned until the 25 March.
At least ten people were killed during clashes outside the presidential palace in December 2012. The protests were triggered by a Morsi decree that placed his decisions above judicial review.
Morsi, who was removed from power by the army in July 2013 amid nationwide protests against his rule, also faces a number of other trials, including for espionage and breaking out of prison during the January 2011 uprising.