The New Scooby and Scrappy-Doo Show (1983)

S01E24 Where's Scooby-Doo? (2)

The kids receive unexpected train tickets for a journey aboard the Orient Express. However, chaos ensues when Scooby's bag gets swapped with someone else's. In his quest to find his beloved bag filled with Scooby Snacks, Scooby himself goes missing. Now the gang is left wondering: has the mummy taken Scooby, or could it be the spy who stole the fuel formula?