Some spoilers for last night's Derry Girls here!

Derry Girls fans are calling out for a prequel after last night's episode, which focused on Erin and Orla's mothers when they were young. The episode started off with Aunt Sarah and Ma Mary getting ready to head off to their school reunion, but viewers were also treated to a flashback to Derry, 1977. As time jumped back, we got to see what Sarah and Mary were like as teenagers on their school leavers' night. We subsequently learned that Sarah and Mary got matching skull tattoos that evening, but decided to keep them hidden with concealer in the years that followed. Shockingly, we also found out that Sarah and Mary were actually friends with Jenny Joyce's mother, Jeanette. Fans were absolutely chuffed with the episode, and began calling out for a prequel based on Sarah and Mary's teenage years. https://twitter.com/LisaMMcGee/status/1523998073428586497 One viewer tweeted: "As someone whose favourite part of Derry Girls is the dynamic of Erin and Orla's family last night's episode was my HEAVEN." Another wrote: "Just watched the new Derry Girls episode and the younger version of the parents are so much like the girls it's uncanny." A third shared: "LOVED tonight's episode of Derry Girls. I usually hate TV flashbacks but this was brilliant. Casting perfection." The show's creator Lisa McGee, meanwhile, took to Twitter to sing the praises of the show's stars - Shauna Higgins, Dearbhaile McKinney, Jessica Reynolds, Lucy McIlwaine, Claire Keenan and Martin Quinn. "Watch this space," she wrote. "They're all going to go on to do cracking stuff." The final episode of Derry Girls airs next week, and in the sneak peak, we see some Dubliners pick a fight with James over a pair of Fatboy Slim Tickets. Then, on Wednesday 18 May, there will be a one hour special on Channel 4.