Simplify the following text for a Grade 9 native English-speaking person.
Original: On the July 11 , 2008 episode of SmackDown , Kozlov debuted an entrance theme and TitanTron video as he defeated Stevie Richards .
Simplified: On the July 11 , 2008 airing of SmackDown , Kozlov debuted an entrance theme and TitanTron video as he defeated Stevie Richards .