S04E18: Piledriver
Grandpa Space Ghost (voiced by Randy "Macho Man" Savage, RIP) stops by the show to visit his nephew, Tad Ghostal.
Previous Episode 
Season 1
Spanish Translation
S1E1 / 15 Apr 1994Gilligan
S1E2 / 22 Apr 1994Elevator
S1E3 / 06 May 1994CHiPs
S1E4 / 13 May 1994Bobcat
S1E5 / 27 May 1994Banjo
S1E6 / 10 Sep 1994Punch
S1E7 / 16 Sep 1994Batmantis
S1E8 / 30 Sep 1994Self Help
S1E9 / 07 Oct 1994Gum, Disease
S1E10 / 11 Nov 1994
Season 2
President's Day Nightmare
S2E1 / 20 Feb 1995Story Book House
S2E2 / 17 Mar 1995Girlie Show
S2E3 / 24 Mar 1995Hungry
S2E4 / 31 Mar 1995Fire Drill
S2E5 / 02 Jun 1995Le Livre D'Histoire
S2E6 / 09 Jun 1995Sleeper
S2E7 / 28 Jul 1995Jerk
S2E8 / 04 Aug 1995Urges
S2E9 / 20 Oct 1995
Season 3
Explode
S3E1 / 02 Feb 1996$20.01
S3E2 / 09 Feb 1996Lovesick
S3E3 / 14 Feb 1996Transcript
S3E4 / 23 Feb 1996Sharrock
S3E5 / 01 Mar 1996Boo!
S3E6 / 08 Mar 1996Freak Show
S3E7 / 22 May 1996Switcheroo
S3E8 / 05 Jun 1996Surprise
S3E9 / 19 Jun 1996Glen Campbell
S3E10 / 09 Oct 1996Jacksonville
S3E11 / 16 Oct 1996Late Show
S3E12 / 23 Oct 1996Cookout
S3E13 / 11 Dec 1996Art Show
S3E14 / 18 Dec 1996Woody Allen's Fall Project
S3E15 / 25 Dec 1996
Season 4
Rehearsal
S4E1 / 18 Jul 1997Gallagher
S4E2 / 25 Jul 1997Edelweiss
S4E3 / 01 Aug 1997Anniversary
S4E4 / 08 Aug 1997Zoltran
S4E5 / 15 Aug 1997Pilot
S4E6 / 22 Aug 1997Speck
S4E7 / 29 Aug 1997Zorak
S4E8 / 05 Sep 1997Switcheroo '97
S4E9 / 12 Sep 1997Mayonnaise
S4E10 / 19 Sep 1997Brilliant Number One
S4E11 / 26 Sep 1997Boo Boo Kitty
S4E12 / 03 Oct 1997Needledrop
S4E13 / 10 Oct 1997Sphinx
S4E14 / 17 Oct 1997Pavement
S4E15 / 24 Oct 1997Untitled
S4E16 / 31 Oct 1997Hipster
S4E17 / 07 Nov 1997Piledriver
S4E18 / 14 Nov 1997Suckup
S4E19 / 21 Nov 1997Dam
S4E20 / 05 Dec 1997Boat Show
S4E21 / 12 Dec 1997Brilliant Number Two
S4E22 / 14 Dec 1997Telethon
S4E23 / 19 Dec 1997Dimethylpyrimidinol Bisulfite
S4E24 / 26 Dec 1997Joshua
S4E25 / 01 Jan 1998
Season 5
Terminal
S5E1 / 07 Aug 1998Toast
S5E2 / 14 Aug 1998Lawsuit
S5E3 / 21 Aug 1998Cahill
S5E4 / 28 Aug 1998Warren
S5E5 / 04 Sep 1998Warren (short version)
S5E6 / 06 Sep 1998Chinatown
S5E7 / 11 Sep 1998Rio Ghosto
S5E8 / 18 Sep 1998Pal Joey
S5E9 / 25 Sep 1998Curses
S5E10 / 27 Nov 1998Intense Patriotism
S5E11 / 04 Dec 1998Waiting for Edward
S5E12 / 25 Dec 1998
Season 6
Chambraigne
S6E1 / 08 Oct 1999Snatch
S6E2 / 15 Oct 1999Girl Hair
S6E3 / 22 Oct 1999Sequel
S6E4 / 29 Oct 1999Curling Flower Space
S6E5 / 19 Nov 1999Table Read
S6E6 / 03 Dec 1999Fire Ant
S6E7 / 10 Dec 1999King Dead
S6E8 / 17 Dec 1999Fire Ant (short version)
S6E9 / 03 Jan 2000Snatch (alternate ending)
S6E10 / 28 Jan 2000
Season 7
Kentucky Nightmare
S7E1 / 07 May 2001The Justice Hole
S7E2 / 22 Jul 2001Knifin' Around
S7E3 / 02 Sep 2001Flipmode
S7E4 / 14 Oct 2001Sweet For Brak
S7E5 / 18 Nov 2001Mommentary
S7E6 / 30 Dec 2001Mommentary: Creator's Commentary
S7E7 / 12 May 2002Mommentary: Jellybean
S7E8 / 12 May 2002
Season 8
Baffler Meal
S8E1 / 01 Jan 2003Whipping Post
S8E2 / 23 Nov 2003Eat a Peach
S8E3 / 30 Nov 2003In Memory of Elizabeth Reed
S8E4 / 07 Dec 2003Idlewild South
S8E5 / 14 Dec 2003Dreams
S8E6 / 11 Jan 2004Live at the Fillmore
S8E7 / 12 Apr 2004
Season 9
Billy Mitchell
S9E1 / 30 May 2006Rand Miller
S9E2 / 13 Jun 2006Kenny Wayne Shepherd
S9E3 / 04 Jul 2006Allan Alcorn
S9E4 / 10 Oct 2006Steve Wozniak
S9E5 / 23 Jan 2007Rob Fulop
S9E6 / 28 Feb 2007Howard Warshaw
S9E7 / 17 Mar 2007Wayne Coyne
S9E8 / 25 Apr 2007
Season 10
Richard Garriott
S10E1 / 11 Sep 2007Stephen Bristow
S10E2 / 31 Oct 2007David Crane
S10E3 / 30 Nov 2007Chantal Claret
S10E4 / 25 Dec 2007Dee Snider
S10E5 / 25 May 2008Barenaked Ladies
S10E6 / 31 May 2008
George Lowe
Space Ghost (voice)
