In a spring special edition of the programme Countryfile goes in search of the secret and often overlooked wonders of the season. Matt Baker discovers how cutting-edge technology is helping the return of tulips to Lincolnshire's farmland on an epic scale. Ellie Harrison heads to Cornwall's south west coast to get up close with returning migrants heading to our shores in their thousands - jellyfish, before Michelin-starred chef Paul Ainsworth treats her to a taste of the season. Adam Henson tries his hand at a long-held ambition as he turns auctioneer at the Exeter's spring livestock market. Steve Brown discovers how darkness is the best time to enjoy one of the true wonders of the season and John Craven finds out how one company is trying to put the taste of spring in a bottle.