The cheerleading contest is at Strahan Coliseum on the campus of Texas State University in San Marcos, TX. This is the home of Texas State Bobcat D1 mens and womens basketball and volleyball.
The team Dillon played in this episode (in the video highlights) is the Cedar Park Timberwolves from Cedar Park, TX in real life. Cedar Park is a suburb of Austin similar to Pflugerville, where the show is shot/based. Cedar Park and Pflugerville are both in district 14-5A and play each other every year.
Matt and Julie are watching The Office, an NBC show that airs on Thursday nights. The episode that they are watching is called "Grief Counseling".