The Comet (S05E09)

As Middleton gears up for the arrival of Posner’s Comet, Cassie is concerned that making wishes won’t solve her problems, especially with Sam receiving an enticing job offer far away. Grace diligently works on her valedictorian speech, prompting Nick to reflect on their shared memories. Meanwhile, Abigail decides to take a trip to move on from Donovan, who is determined to rekindle their romance.