2x1 - Two For The Sea Pt. 1

September 29, 1968

A dolphin comes up the channel and hangs around the Wedloe's dock. He and Ben become friends and Mark considers him his pet. Mark is disappointed when he finds out that the dolphin escaped from Miami Seaquarium and has to go back before he is lured by the wild dolphins at sea in mating season. The lure of mating season is too strong for the dolphin, Marco Polo, and he heads to sea with Ben following.

2x2 - Two For The Sea Pt. 2

October 6, 1968

Mark is despondent as he has not just lost his new pet, Marco Polo, but his old pet Ben. Frank from Seaquarium takes Mark and Tom out on a boat to find Ben and Marco Polo. They spot Ben on a small island and as they get his attention and he swims for the boat he is threatened by a shark. Marco Polo comes to the rescue and nudges the shark away from Ben. Ben climbs a ladder to get onto the boat, and Marco Polo is returned to Seaquarium.

2x3 - The Wall That Mark and Tom Built

October 13, 1968

After Mark has a series of mishaps that soil three pairs of Tom's pants, Tom is angry at him. Feeling unwanted, Mark moves in to Ben's shed. While fishing, a fisherman comes by the river and hires Mark as his guide. The small boat overturns at a rough spot in the river and Mark and Mr. Carter are threatened by alligators and a cougar. Tom hears the commotion and scares off the alligators while Ben scares off the cougar. Mark and Tom have a heart-to-heart conversation and clear the air between them.

2x4 - Ben The Champ

October 20, 1968

2x5 - Flapjacks for Breakfast

October 27, 1968

2x6 - A Gift of Love

November 10, 1968

2x7 - Code Name: Disaster

November 17, 1968

2x8 - The Intruders

November 24, 1968

2x9 - Starr of Green Bay

December 1, 1968

2x10 - Warden's Pond

December 15, 1968

2x11 - Knights of the Road

December 22, 1968

2x12 - The Haunted Castle

December 29, 1968

2x13 - The Warden's Apprentice

January 5, 1969

2x14 - Keeper of the Glades Pt. 1

January 12, 1969

2x16 - The Great Mail Boat Robbery

January 26, 1969

2x17 - Show Biz

February 2, 1969

2x18 - Flaming Flats

February 9, 1969

2x19 - Lifeline

February 16, 1969

2x20 - My Son the Banker

February 23, 1969

2x21 - The Last Red Wolf

March 2, 1969

2x22 - The Competitor

March 9, 1969

2x23 - Mark of the Arrow

March 16, 1969

2x24 - Boom's Land Boomerang

March 23, 1969

2x25 - Elephant on the Lam

March 30, 1969

2x26 - The Prey

April 6, 1969

2x27 - The Bully

April 20, 1969

2x28 - Busman's Holiday

April 27, 1969