Chris tries everything to stop his mother from marrying Tom.

When mayday calls seem like a hoax, Tom starts to think Chris might have something to do with it...

When an environmental disaster hits, it turns out to be political.

When Alex and Holly finds a submarine while diving, it turns out to be an old German war-sub...

When Jackie and Chris go out to look for sea monsters they end up stranded on Albino Island and make a new friend...

An old friend of Holly goes diving with Cap & Alex and ends up missing.

Chris tries to fit in with the wrong kids and ends up in trouble.

When the Maria D breaks down, Cap has to stay with the Hamptons until he can get her repaired.

When the kids' grandma comes to visit, she can't stop comparing Tom to Jack.

Tom's niece spends Christmas with them.

A family vacation turns horribly wrong, and endangers Alex's life...

Chris helps to re-unite a father and son.

An old friend of Mark shows up in town and turns his world upside down.

When Jackie's hero shows up in town she's very excited to meet her, only to find out that hero's aren't always what they seem like.

Alex faces a shark head-on to save someone's life.

A woman's search for the truth about her father's death, unviels a secret the Navy's been keeping for a long time...