Complex sentence: A teaser ad was aired during the NBA Finals on June 7 featuring actors Mahershala Ali, Lupita Nyong'o and Danny Glover in a one minute video, ending in "4:44--6.30.17, Exclusively on Tidal".
Split into simpler sentences: A teaser ad was aired during the NBA Finals on June 7. It showed actors Mahershala Ali, Lupita Nyong'o and Danny Glover in a one minute video, ending in "4:44--6.30.17, Exclusively on Tidal".