Chuck tells himself to "Use the force!" while handcuffed and reaching for his cell phone.
As Casey faces off against his sensei, Chuck yells out, "Eye of the tiger!"
Frequent references to Chuck and Morgan having the Tron poster since they were twelve are especially pointed as Bruce Boxleitner who played Tron first appears in this episode as Dr. Woody Woodcomb (Devon's father)
After freeing himself by freezing the shackles, Chuck says watching MacGuyver finally paid off