Nelson Hernandez talks about "congeneres" in the show. Here's a wiki-article to what it is: https://en.wikipedia.org/wiki/Congener_(beverages)

Tasting notes. 

• Distillery Collection 1

Chocolate, honey, citrus, almonds, light vanilla tone, spice. Light and fruity.

• Distillery Collection 2

Vanilla, caramel, smoke, light bourbon-y, sweetly. 

• Distillery Collection 3

Banana, caramel, red berries, fresh wood. Red apples. Very interesting. 

• Planas

6 y.o. aged rum filtered through coal to remove colour. Honey, toffee, apples, citrus, milk chocolate.

• Mantuano

Spice, light vanilla tone, red fruit, wood. Light toffeetone. Sweet to the taste.

• Reserva Exclusiva

Banana, toffee, caramel, chocolate, orange peel, sultanas, light smoky tone. Raisins and blood orange. 

• Single Vintage 2004

"We look for spesific aromas to decide whether we should make a vintage or not. Aged for 12 years, then finished with one year on sherry oloroso cask." Caramel, citrus, dark chocolate, spice. Lemon peel, vanilla. 

• Single Vintage 2005

Lemon peel, orange peel, dark chocolate, vanilla, dark spices. Clear chocolate notes to taste and sweetly mouth feel. 

• Ambassador

"Matured for 12 years and then finished with 2 years in sherry PX casks."  
Very fruity, cherries, chocolate, vanilla, yellow flowers. Very round mouthfeel with tones of tobacco and a slight smoky tone.