B&C has partnered with TV ad measurement and attribution company iSpot.tv to bring you a weekly chart we call Promo Mojo: Exclusive data showing the top five TV promos ranked by TV ad impressions. These are the shows networks have been promoting most heavily to drive tune-in (our data covers the seven-day period through April 28).

On the strength of nearly 264 million TV ad impressions, TLC’s promo for 90 Day Fiancé: Happily Ever After? is No 1. CBS promotes its new original limited series The Red Line in second place, while last week’s chart-topper, the promo for ABC’s Bless This Mess, slips to fifth.

Rounding out the ranking: Bargain Mansions (HGTV) and Restaurant Impossible (Food Network) promos, in third and fourth place, respectively.

Notably, Bargain Mansions earns the highest iSpot Attention Index (138), getting 38% fewer interruptions than the average promo (interruptions include changing the channel, pulling up the guide, fast-forwarding or turning off the TV).