1x1 - The Monster Who Came to Dinner

September 8, 1973

Johnny and Scott bring Sigmund home from the beach and hide him in their clubhouse from Zelda, who invited the sherriff over for dinner. Meanwhile, Sigmund's family gets a visit from their rich Uncle Siggy, who demands to see Sigmund or he'll disinherit the family.

1x2 - Puppy Love

September 15, 1973

Sigmund falls in love with Fluffy, a dog that belongs to Johnny's girlfriend, Peggy. Sigmund's family schemes to get him back by tricking him into meeting Diana Demon, a sea monster actress who Sigmund has a crush on.

1x3 - Frankenstein Drops In

September 22, 1973

1x4 - Is There a Doctor in the Cave?

September 29, 1973

1x5 - Happy Birthdaze

October 6, 1973

Burp and Slurp decide to bring home Sigmund to be Big Daddy's birthday present. Not only do they take Sigmund but the cake and presents that Aunt Zelda had gotten for the sheriffs birthday. and its up to Johnny and Scott to save the Birthdaze

1x6 - The Nasty Nephew

October 13, 1973

Aunt Zelda brings home her nephew (Leroy) for the weekend. Leroy is determined not to get along with the boys and an attack from Burp and Slurp to a blindfolded Leroy (an initiation to enter the club) didn't help matter. meanwhile Burp and Slurp take Sigmund back to the cave. when Johnny and Scott sneak out to resque sigmun, Leroy follows when he see Sigmund will he tell or keep the boys secret

1x7 - Monster Rock Festival

October 20, 1973

Sigmund wins a radio singing contest the problem is, not only do they need to hide Sigmund identity from the radio DJ but the Ooze Family needs him to sing with them in the Monster rock festival

1x8 - Ghoul School Days

October 27, 1973

When the monster School principal tells the Oozo family that they must send one member of the family to school they choose Sigmund. The trouble is thinking he is nothing but trouble Sigmund has run away.

1x9 - The Curfew Shall Ring Tonight

November 3, 1973

After breaking Aunt Zelda's favorite salad bowl, Sigmund defies curfew and heads home to pick up 50 clams he's got hidden to buy her a new one.

1x10 - Sweet Mama Redecorates

November 10, 1973

Big Daddy's strapped for cash, but that doesn't stop Sweet Mama from wanting to redecorate their cave. Luckily, Blurp and Slurp come up with a brilliant idea: trade their furniture with that from Johnny and Scott's house.

1x11 - Make Room for Big Daddy

November 17, 1973

When Sweet Mama kicks Big Daddy out of the cave, he moves into the club house with Sigmund.

1x12 - It's Your Move

November 24, 1973

Sigmund's family evacuates the cave during a storm, while Sigmund moves home to avoid Johnny and Scott's parents.

1x13 - Trick or Treat

December 1, 1973

When Blurp and Slurp find out Sigmund is the grand-prize winner of a contest worth a lot of "clams," they kidnap him while he's out trick-or-treating.

1x14 - Uncle Siggy Swings

December 8, 1973

When Uncle Swiggy visits his favorite nephew at Johnny and Scott's clubhouse, he sees Aunt Zelda and falls head-over-tentacles in love with her.

1x16 - The Wild Weekend

December 22, 1973

Movie star Jack Wild is kidnapped by Blurp and Slurp while on vacation. It's up to Johnny, Scott, and Sigmund to rescue him.

1x17 - Boy for a Day

December 29, 1973

Sigmund wins a song contest but must figure out a way to collect his prize in person without causing an uproar.