Just like the NFL combine, you can watch the NBA combine on TV if you're really bored. ESPN will televise games and workouts from the combine today and tomorrow from 3pm to 7pm according to their release:
ESPN2 will televise the 2016 NBA Draft Combine from 3-7 p.m. ET, on Thursday, May 12 and Friday, May 13. The event emanates from the Quest Multisport Complex in Chicago, Ill. This is the first in a series of ESPN 2016 NBA Draft events, which also includes the 2016 NBA Draft Lottery presented by State Farm (May 17) and the 2016 NBA Draft (June 23).
The ESPN2 telecasts will include whip-around coverage from the two scheduled five-on-five scrimmages on both Thursday and Friday, in addition to the regular set of drills: max vertical leap, no-step vertical leap, court sprint, shuttle drill, bench press and shooting drills. Simultaneously, ESPN3 will carry complete Combine scrimmage action from 3-7 p.m. both days. The 2016 NBA Draft Combine will also be available via WatchESPN.
According to WatchESPN they will also have the "Game Camera" option available via the online ESPN3 streaming service.
So if you're a basketball junkie tune in and catch a glimpse of Caleb.