A father and daughter have been swept out to sea. The crew of an Irish trawler must be rescued after their boat smashed onto rocks and a Turkish tourist falls into the River Thames while trying to take a selfie.

A kayaker has been missing off the coast of Bridlington for an hour and only the crews tidal knowledge can track him down. When a trawler sinks off the Shetland Islands the fishermen and RNLI crew must swim for their lives.

The Castletownbere crew race to save a lone yachtsman who has lost his mast. In Minehead the search is on for a missing woman and the Porthcawl team are the only way of getting medical help to an injured horse rider.

In Bangor, Northern Ireland the crew try to find two teenage paddle-boarders blown offshore into busy shipping lanes. The Tenby crew race to save a dog before members of the public put themselves at risk doing so.

The Tenby crew race to reach a kayaker with suspected neck and back injuries after being hit by a freak wave. Cornish crews must join forces to stop a 3,600 tonne coaster from breaking up on the rocks.

On one of the hottest days of the year the Dover crew race to a cross-Channel swimmer who has collapsed within sight of France. The Tenby crew are called out to a runaway yacht.

A climber falls in a remote cave on the Gower Pennisula. A teenage surfer defies the red warning flags putting their life at risk. The Yarmouth crew must search for a man among hundreds of boats in a race.

In Ilfracombe, a father and son get into difficulties trying to rescue a dog. The Minehead crew scour the cliffs for a missing woman. The Tower crew scramble to find a man seen entering the Thames.

The Aberystwyth crew must improvise when a para-glider crashes at the bottom of steep cliffs. A new recruit is first on the scene to rescue a seal from a block of flats in Redcar.

As the summer sun comes out so do the fun-seekers. Crews scramble to rescue a drunken festival-goer who has jumped in the river and a family caught out by the incoming tide.

A dog-walker spots a flare off shore prompting the Rhyl crew to respond to a strange call-out. The Lowestoft crew try to rescue a sailor who doesn't want to be rescued.

Police in Tenby call for assistance from the lifeboat crew to search for a boat thief. The Mumbles crew search for two kayakers. When two yachts capsize the Portsmouth crew must decide who to rescue first.