You can connect your MacBook via HDMI to the TV, which will also play through the speakers in the rig. Or, you can connect an Apple TV to the TV via HDMI and stream to the TV.
2015 Jayco Greyhawk 31FS-"Scamper"
2015 Subaru Forester 2.5i Prem. 6 Spd
Blue Ox Aventa LX Tow Bar
2014 Jayco Jay Feather X23B-"Glampy"(Sold)
DW, DS, DDx2, and Bandit & Fletcher