Who should've made the final in each series?
 

You can do any or all series for either BB/CBB. I'll start with the series I've seen all of/remember well.

BB19 - Zoe, Cian, Brooke and Tomasz
BB18 - Isabelle, Deborah, Hannah and Chanelle
BB17 - Hughie, Jackson, Andy, Jayne, Laura and Lateysha
BB16 - Correct Finalists
BB15 - Helen (bc of the pass), Ashleigh, Christopher, Chris, Winston and Zoe
BB14 - Sam, Dexter, Gina, Charlie and Hazel
BB13 - Correct Finalists
BB12 - Aaron, Alex, Louise and Tom
BB11 - Josie, Mario, John James, Sam and Corin

CBB22 - Correct Finalists
CBB21 - Courtney, Shane, Jess, Wayne and Malika
CBB20 - Sarah, Amelia, Chad, Helen, Sandi and Paul
CBB19 - Kim, Nicola, Bianca, Calum, Speidi and Jessica
CBB18 - Ricky, Renee, Aubrey, Frankie, Samantha and Saira
CBB17 - Tiffany, Danniella, John, Gemma, Megan and David
CBB16 - James, Natasha, Bobby, Stevi and Chloe, Janice and Scoop
CBB15 - Correct Finalists
CBB14 - James, George, Dee, Edele, Lauren and Stephanie
CBB13 - Dappy, Ollie, Luisa, Sam, Casey and Lee
CBB12 - Charlotte, Abz, Carol, Mario, Louie and Courtney
CBB11 - Rylan, Speidi, Claire, Razor and Frankie
CBB10 - Correct Finalists
CBB9 - Denise, Frankie, Gareth, Nicola and Natalie
CBB8 - Correct Finalists

BB5 - Ahmed, Michelle, Nadia, Shell
BB6 - Derek, Makosi, Science, Roberto
BB7 - Aisleyne, Jayne, Lisa, Pete, Sam, Susie
BB8 - Brian, Carole, Charley, Laura, Nicky, Tracey
BB9 - Belinda, Lisa, Mario, Mikey, Sara
BB10 - Bea, David, Marcus, Rodrigo, Sree
BB11 - Ben, Corin, Dave, Josie, Sunshine
BB15 - Ashleigh, Chris, Christopher, Danielle, Helen, Mark
BB17 - Andy, Charlie, Hughie, Jayne, Lateysha, Natalie
BB18 - Deborah, Isabelle, Rebecca, Sue
BB19 - Cian, Kenaley, Sian, Tomasz

Bolded the winner

only doing the few finals that should've been WAY different, in order of how they would've placed

bb8: Charley, Nicky, Carole, Shabnam, Laura, Tracey
bb13: Deana, Lydia, Sara, Adam, Benedict
bb17: Jayne, Natalie, Laura, Evelyn, Hughie, Laytesha
bb19: Anamelia, Sian, Tomasz, Kay

cbb17: Gemma Collins, Tiffany Pollard, Megan Mckenna, Angie Bowie, David Gest, Stephanie Davis
cbb19: Kim Woodburn, Nicola Mclean, Jessica Cunningham, James Jordan, Speidi, Chloe Ferry

In alphabetical order and keeping with the same amount that was there in the original, also picking who I felt deserved without any opinions of anyone

BB1 - Correct finalists
BB2 - Correct finalists
BB3 - Alex, Jade, Kate and Adele
BB5 - Correct finalists
BB6 - Derek, Kemal, Makosi and Science
BB7 - Correct finalists
BB8 - Amanda & Sam, Brian, Carole, Charley, Jonty and Lesley
BB9 - Correct finalists
BB10 - Bea, David, Marcus, Rodrigo and Sophie
BB11 - Andrew, Ben, Corin, Josie and Sam
BB13 - Adam, Deana, Lauren, Luke A and Lydia
BB14 - Correct finalists
BB15 - Ashleigh, Chris, Christopher, Danielle, Pav and Toya
BB16 - Chloe, Eileen, Jack, Jade, Harry and Sam
BB17 - Correct finalists
BB18 - Chanelle, Deborah, Isabelle and Raph
BB19 - Akeem, Cameron, Lewis F and Tomasz

CBB1 - Chris, Jack and Vanessa
CBB2 - Les, Melinda and Sue
CBB3 - Brigitte, John and Kenzie
CBB4 - Chantelle, Jodie, Michael, Pete, Preston and Traci
CBB5 - Cleo, Dirk, Donny, Jermaine, Ken and Shilpa
CBB6 - Michelle, La Toya, Tina, Ulrika and Verne
CBB7 - Lady Sovereign, Ivana, Nicola, Stephanie and Stephen
CBB8 - Amy, Jedward, Kerry, Paddy, Pamela, Sally and Tara
CBB9 - Denise, Frankie, Michael, Karissa & Kristina and Romeo
CBB10 - Coleen, Danica, Julian, Julie, Prince Lorenzo and The Situation
CBB11 - Heidi & Spencer, Paula, Razor, Rylan and Tricia
CBB12 - Abz, Carol, Charlotte, Courtney, Lauren and Louie
CBB13 - Casey, Jim, Linda, Liz, Luisa and Ollie
CBB14 - Audley, Frenchy, Gary, James, Kellie and Leslie
CBB15 - Alicia, Calum, Katie P, Keith and Michelle
CBB16 - Austin, Farrah, James, Janice, Jenna and Stevi & Chloe
CBB17 - David, Gemma, John, Megan, Scotty and Tiffany
CBB18 - Aubrey, Frankie, Renee, Ricky, Saira and Samantha
CBB19 - Heidi & Spencer, James C, Jedward, Jessica, Kim and Nicola
CBB20 - Amelia, Chad, Jemma, Karthik, Paul and Sarah
CBB21 - Ann, India, Jess, Rachel, Shane J and Wayne
CBB22 - Hardeep, Kirstie, Natalie, Nick, Roxanne and Ryan

Channel 5

Based off of my personal taste

BB13: Lydia, Caroline, Sara, Ashleigh, Lauren, Benedict
BB14: Gina, Hazel, Dan, Jemima, Callum, Dexter
BB15: Danielle, Ashleigh, Helen, Bianca, Marc, Toya
BB16: Amy & Sally, Adjoa, Jade, Harriet, Chloe, Nick
BB17: Laura, Jayne, Natalie, Evelyn, Jackson, Charlie
BB18: Chanelle, Hannah, Deborah, Isabelle
BB19: Kenaley, Anamelia, Sian, Tomasz

Based off of contribution to the house / how good they were as a housemate (as unbiased as I can lmao)

BB13: Deana, Lydia, Sara, Caroline, Luke A, Benedict
BB14: Dexter, Gina, Hazel, Calum, Dan, Jackie
BB15: Helen, Ashleigh, Chris, Christopher, Danielle, Toya
BB16: Chloe, Nick, Amy & Sally, Harry Amelia, Jack, Eileen
BB17: Jayne, Laura, Jackson, Andy, Jason, Charlie
BB18: Isabelle, Chanelle, Deborah, Hannah (lol soz still think they should've been)
BB19: Akeem, Cameron, Tomasz & Kenaley

BB1: Anna, Craig and Nick.
BB2: Narinder, Helen and Brian.
BB3: Alex, Kate, Jade, Adele.
BB5: Nadia, Jason, Victor, Michelle, Daniel.
BB6: Makosi, Science, Derek, Kemal, Craig.
BB7: Aisleyne, Nikki, Pete, Imogen, Grace, Mikey
BB8: Charley, Samanda, Brian, Carole, Ziggy, Chanelle
BB9: Dale, Rachel, Sara, Rex, Kathreya, Lisa, Mario
BB10: Rodrigo, David, Sophie, Freddie, Siavash
BB11: Corin, Ben, Josie, Sam, John James
BB12: Aaron, Louise, Heaven, Tashie, Jay
BB13: Lydia, Benedict, Deana, Caroline, Conor
BB14: Gina, Dexter, Hazel, Callum, Sam
BB15: Ashleigh, Christopher, Danielle, Ash, Mark, Helen
BB16: Chloe, Marc, Harry Amelia, Sam, Jack
BB17: One of the few instances with the correct finalists.
BB18: Isabelle, Chanelle, Deborah, Raph, Hannah, Ellie
BB19: Lewis F, Anamelia, Kay, Cameron
Based my decisions on personal favourites and overall contribution to the series.