For those of you in the dark about such things, Better Call Saul is a prequel to the ever-popular Breaking Bad. The story follows Saul Goodman on his journey from a young upstart lawyer to the dirty, scheming version of himself that teams up with Jesse and Walt in Breaking Bad.
If you want to check it out, the first episode, "Uno," will cost you $1.99 for the SD version, and $2.99 for HD from Xbox Video. Alternatively, you can opt to go ahead purchase the season pass for $25.99 in HD or $16.99 in SD.
Source: Xbox Video