Episode 4 of the Unmasked History of Scooby Doo features Scooby Doo and Guess Who writer Mark Hoffmeier. Mark wrote two episodes for the show: A Mystery Solving Gang Divided, with guest stars Abraham Lincoln and the Funky Phantom crew, and Attack of the Weird Al-Osaurus, which naturally guest stars Weird Al Yankovic.

Highlights of this episode include: 

1- Mark discusses his work at Hanna-Barbera in publicity. 

2- What it was like to bring back classic Hanna-Barbera characters in a Guess Who episode. 

3- How Weird Al’s personality contributes to an animated episode of Scooby Doo.

Make sure to listen above! Or you can read a transcript of the interview here.

If you want to follow Mark, you can find him on Twitter and Instagram @hoffwrites, or @hoffcomedy.