Gavin Casalegno, Lola Tung and Christopher Briney celebrate The Summer I Turned Pretty finale at the Prime Video photo call ...

The network announced the lineup for its 16th annual Countdown to Christmas slate, which officially comes down the chimney on Friday, Oct. 17 with Mistletoe Murders Season 1’s Hallmark Channel debut.

Hallmark’s 16th annual Countdown to Christmas program starts Oct. 17 with 24/7 holiday programming through the end of the year on the Hallmark Channel ...