Which episode from the sixth season of the worst?

House Fancy (06/06/200

Krabby Road (03/03/200

Penny Foolish (03/07/200

Nautical Novice (03/29/200

Spongicus (03/29/200

Suction Cup Symphony (03/06/200

Not Normal (03/04/200

Gone (03/05/200

The Splinter (06/02/200

Slide Whistle Stooges (02/16/2009)

A Life In A Day (06/04/200

Sun Bleached (06/05/200

Giant Squidward (06/03/200

No Nose Knows (08/04/200

The Patty Caper (08/05/200

Plankton's Regular (08/06/200

Boating Buddies (08/07/200

The Krabby Kronicle (08/08/200

The Slumber Party (11/28/200

Grooming Gary (11/28/200

What Ever Happened To Sponge Bob (10/13/200

Porous Pockets (11/28/200

Choir Boys (unaired)

Krusty Krushers (11/28/200

The Card (11/28/200

Dear Vikings (11/28/200

Ditchin' (11/28/200

Grandpappy The Pirate (02/18/2009)

Cephalopod Lodge (02/17/2009)

Sponge Bob Vs The Big One (unaired)

Shuffleboarding (02/16/2009)

Professor Squidward (02/19/2009)