Part 1 Of The American Idol Finale, Behind-The-Scenes of 19 Kids & Counting And More On TV Tonight

American Idol. 8pm on FOX. It's the second-to-last #Idolfinale ever! Part 1 of season 14's finale airs tonight, with the top 3 getting down to just two. Tomorrow a winner will be announced—and in January of 2016, we'll get AI's final season ever!

19 Kids & Counting. 8pm on TLC. The first episode features a behind-the-scenes look at the show and interviews with the film crew who have followed the family for ten years. The second episode features a gender reveal party for Anna and Josh Duggar's fourth child.

Undateable. 9pm on NBC. The one-hour season finale has Justin making a terrible first impression on his girlfriend's father, while Candace enters a contest to win a house. PS: Next season's episodes will be 100 % live each week!

Newylweds: The First Year. 10pm on Bravo. In the season finale, the couples reflect on their first year of marriage as their anniversary approaches. All is good for most couples except Nadine and Erik when Nadine suffers a 36+ hour labor.

Younger. 10pm on TV Land. Liza may or may not be crushing on her publisher when he babysits his kids (and he's actually a guy her own age!), while Kelsey's affair takes a turn for the awkward.