It's all aboard as Quentin and Alfie board a train to explore the totally terrific letter "T."

Quentin and Alfie enjoy the sun and sand at the beach in this silly, sandy, "S" adventure.

It's a roping, riding, rocking good time at the Rodeo, as Quentin and Alfie learn all about the letter "R.

Alfie surprises Quentin for his birthday with a special show that's all about Alfie's favorite "Q" of all -- Quentin!

On this "P" adventure, Quentin and Alfie visit Pirate Pete's Putt Putt, where the best mini golf games end with pizza.

Quentin and Alfie go out on a boat trip to learn about "O," meeting otters and an octopus, and even signing some opera along the way!

Alfie's little cousin Nina comes along for this "N," adventure, but it's tricky babysitting a toddler who seems to only know one word -- "No!"

Quentin and Alfie visit a concert hall to hear many things that start with the letter "M," from music to mooing.

It's a lovely day at the lake, as Quentin and Alfie look, listen, and learn all about the letter "L."

Quentin and Alfie visit a bustling park where they are in for an exciting, energetic adventure all about "E."

Hear the tunes of episode 5!

Hear the tunes of episode 4!

Doris the Dolphin delights Quentin and Alfie with her amazing dolphin show in this dazzing "D" adventure.

Hear the tunes of episode 3!

Quentin and Alfie visit a bakery where they learn more about the letter "C" – and make a big batch of colorful cupcakes!

It's batter up as Quentin and Alfie go to a baseball game to explore the big, busy letter "B."

Hear the tunes of episode 2!