September 17, 2010[nb 1] is the 17th day in the month of September 2010.
- Under the command of Icicle Sr., the inmates of Belle Reve Penitentiary stage a breakout. It is stopped by Superboy and Miss Martian, posing as the Terror Twins.
- ↑ Series producer Greg Weisman stated that even though the series does not have a "canon year", the production team based the days of the week on the 2010 calendar. (Weisman, Greg (2011-11-18). Question #13695. Ask Greg. Retrieved 2011-11-18.).