TV/Streaming
Promo Mojo: HGTV’s ‘Rock the Block’ Keeps Rocking for Third Straight Week
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HGTV, Bravo and Discovery take four out of five slots, with CBS grabbing second for ‘Matlock.’
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April 23, 2025

HGTV’s home renovation competition Rock the Block tops the Promo Mojo ranker for the week ended April 20, making it TV’s most-promoted show for the third week in a row. The network also grabs fifth place for new reno show Castle Impossible.

HGTV is joined by two fellow cable networks: Bravo and Discovery, which hype, respectively, The Valley in third place and Expedition Files in fourth.

Rounding out the list is traditional broadcaster CBS, which gives some love to Matlock in second place.

RELATED: Promo Mojo: HGTV's 'Rock the Block' Stays on Top for a Second Straight Week

Notably, Matlock scores the highest iSpot Attention Index (133) in the ranking, meaning viewers were on average highly likely to watch its promos all the way through (vs. interrupting viewing by changing the channel, pulling up the guide, fast-forwarding or turning off the TV).

Spotlight by GEMA has partnered with iSpot.tv on weekly chart Promo Mojo, offering data revealing the week’s most-promoted programming ranked by TV ad impressions.

For more information about Promo Mojo — including the chart positions of promos beyond the top five — contact mediapartnerships@ispot.tv. Chart positions and other data may be updated in iSpot’s database as additional airings information becomes available.

[Editor's note: Right click on videos below to watch in new browser tab.]

1) Rock the Block, HGTV

Impressions: 211,509,654
Interruption Rate: 1.31%
Attention Index: 115 (15% fewer interruptions than avg.)
Imp. Types: National 98%, Local 1%, VOD/OTT 1%
In-network Value: $1,080,211
Out-of-network Est. Spend: $71,478

2) Matlock (2024), CBS

Impressions: 199,029,960
Interruption Rate: 0.96%
Attention Index: 133 (33% fewer interruptions than avg.)
Imp. Types: National 95%, Local 4%, VOD/OTT 1%
In-network Value: $1,085,899
Out-of-network Est. Spend: $0.00

3) The Valley, Bravo

Impressions: 159,434,732
Interruption Rate: 1.58%
Attention Index: 115 (15% fewer interruptions than avg.)
Imp. Types: National 83%, Local 9%, VOD/OTT 8%
In-network Value: $706,032
Out-of-network Est. Spend: $152,725

4) Expedition Files, Discovery

Impressions: 154,130,317
Interruption Rate: 1.24%
Attention Index: 113 (13% fewer interruptions than avg.)
Imp. Types: National 99%, Local 1%, VOD/OTT 0%
In-network Value: $576,628
Out-of-network Est. Spend: $120,907

5) Castle Impossible, HGTV

Impressions: 153,209,002
Interruption Rate: 1.05%
Attention Index: 122 (22% fewer interruptions than avg.)
Imp. Types: National 100%, Local 0%, VOD/OTT 0%
In-network Value: $913,168
Out-of-network Est. Spend: $0.00

Data provided by iSpot.tv, The New Standard for TV Ad Measurement

Impressions - The total impressions within all US households including National Linear (Live & Time-shifted), VOD+OTT, and Local.
Interruption Rate - The percentage of devices that were present at the beginning of your ad but did not complete watching the ad. Actions that interrupt ad play include changing the channel, pulling up the guide, fast-forwarding, or turning off the TV. The Interruption rate is measured on a scale of 0 to 100%.
Attention Index - A comparison of your ad’s Interruption Rate against your specific media placement. The Attention Index is measured on a scale of 0 to 200, where 100 is the average and means your ad is performing as expected.
Imp. Types - Impression types tracked include National (Live + Time-shifted), Local, VOD & OTT. See below for further details.
In-network Value - Estimated media value of in-network promos.
Out-of-network Spend - The estimated amount spent on TV airing time for this promo's spots during a given date range.
National: Live - A national promo which was viewed during live linear television broadcast or same day, via DVR or on-demand.
Local - A promo that was aired during a local ad break slot.
VOD - This includes promos that run in on-demand content past three days (i.e. do not contain the linear promo load)
OTT - On-demand streaming content (i.e. Hulu, Roku, Fire TV Stick, Chromecast).
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