Here are the episodes I have

Driving Is the Only Way to Fly
There's No Witch Like an Old Witch
Endora Moves in for a Spell
The Horse's Mouth
Hoho the Clown
Super Car
The Trial and Error of Aunt Clara
Sam in the Moon
Art for Sam's Sake
Charlie Harper, Winner
Aunt Clara's Victoria Victory
The Crone of Cawdor
Humbug Not to Be Spoken Here
Playmates
Sisters at Heart
Money Happy Returns

The whole series is on DVD!!