<Tr> <Th> 45 </Th> <Td> 14 </Td> <Td> "The Happy List" </Td> <Td> Chris Potter </Td> <Td> Heather Conkie </Td> <Td> January 31, 2010 (2010 - 01 - 31) </Td> <Td> 314 </Td> </Tr> <Tr> <Td_colspan="7"> Ty discovers a beat up classic Norton motorcycle offered up for sale . The Norton catches Jack's fancy as well and soon enough Jack and Ty are seen bargaining for the motorcycle . Ty's interest in the bike makes him a poor negotiator . Jack and Ty haul the motorcycle back to Heartland to the dismay of Amy who considers it a waste of his Vet School money and a danger, motorcycles are called donor - cycles after all . Amy and Ty bicker over the motorcycle with neither getting down to what is really troubling them . While watching rodeo videos Caleb and Ty manage to irritate Ashley and Amy with their testosterone poisoning and making plans to go to a rodeo in Montana together . Val having come through the medical tests and fears has composed a "Happy List" of things to do since life is short . Entry number one is to return to show jumping with Amy as her coach . Val, not wanting to be seen beginning to jump again obtains use of an indoor arena for her lessons . Amy does her best with the fractious Val who is not inclined to take instruction, resulting in one of those falls that jumping can induce . As time goes by, Val eventually gives Amy's methods a try and jumps a series of training fences . Receiving congratulations from Jack . we see that Jack may also be on Val's Happy List . Lou and Peter begin planning the wedding, which is soon overtaken by Lou's obsession with Peter's first wedding and Lou begins to venture into Bride - zilla territory . Peter, becoming increasingly uncomfortable calls for a break so that each of them can think about what they want . Mallory pines for Badger, but when Jake shows up with a new girlfriend, Chelsea, Mallory seems unable to let Jake go his own way . Jake seems a little unready to part with Mallory as well . Ty reconsiders going to Montana with Caleb, leaving Caleb preparing to leave on his own . Ashley and Caleb quarrel over his going on the road to Montana . Caleb hurts his case by not inviting Ashley to join him now that Ty backed out . Caleb adds insult to injury by explaining that having your girlfriend along is bad luck . Peter returns and he and Lou talk about the upcoming marriage . Lou suggest that they elope (which has been recommended to her throughout the episode .) Peter says he wants a wedding, with or without the fancy tents . Having actually talked about their feelings, things seem to be back on track . Amy and Ty talk about the motorcycle, and Amy explains that she hasn't healed from Ty's plane crash even if he has . Having actually talked about their feelings, Ty gives Amy a helmet and they happily head out for a spin on the Norton . Ashley talks to her mother who, remarkably, gives some good advice . Ashley sets out to join Caleb in Montana . The episode ends with everyone, including Val, watching the Montana rodeo on TV . Caleb comes on the TV riding a bareback bronc, and does well . After the whistle Caleb gets hung up in his rigging and winds up unconscious on the ground while a horrified Ashley watches her biggest fear play out in front of her, all while their friends and family watch from afar . </Td> </Tr> <Tr> <Th> 46 </Th> <Td> 15 </Td> <Td> "Second Chances" </Td> <Td> Dean Bennett </Td> <Td> Susin Nielsen </Td> <Td> March 7, 2010 (2010 - 03 - 07) </Td> <Td> 315 </Td> </Tr> <Tr> <Td_colspan="7"> Amy and Ty discover that Mr. Hanley has abandoned his horses and is on the brink of losing his farm . Lisa comes back from Europe and feels that there may be something between Jack and Val. Lou is in the middle of wedding plans . Mallory is being extra nice to Lou because she wants to be asked to be one of her brides maids . Jack proposes to Lisa . Caleb is back and depressed . </Td> </Tr>

When does caleb come back in season 1