The New Scooby-Doo Mysteries - Season 1 - Eps 18: A Night Louse at the White House Part 2
Scooby and the gang investigate spooky doings at the nation's capitol. They discover the key to secret NASA information and uncover a pair of ghosts.
About The New Scooby-Doo Mysteries

Title: The New Scooby-Doo Mysteries
First Air Date: 1984-09-08
Last Air Date: 1984-12-01
Status: Ended
Rating: 8.5/10 (from 100 votes)
Language: EN
Seasons: 1
Total Episodes: 26
Network: ABC
Genres: Animation, Family, Comedy, Kids, Mystery
Production Companies: Hanna-Barbera Productions
Synopsis
Picking up where 'The New Scooby and Scappy Doo Show' left off. The main difference being that the team is now occasionally joined by Daphne Blake and friends to solve mysteries together.
Cast

Casey Kasem
Shaggy Rogers (voice)

Heather North
Daphne Blake (voice)

Don Messick
Scooby-Doo / Scrappy-Doo (voice)

Frank Welker
Fred Jones (voice)

Marla Frumkin
Velma Dinkley (voice)