Quarantined Stars Vie for YouTube Views in TBS's Celebrity Show-Off

Building on quarantine-friendly reality concepts like Celebrity Watch Party and Haircut Night in America, the new TBS series Celebrity Show-Off pits folks like Tori Spelling, Bella Thorne, Kevin Smith and the Willis sisters against each other to see who can rack up the most YouTube views in a given week. Mayim Bialik hosts the new series, which premieres tonight. Also tonight: The Bachelor Greatest Seasons Ever revisits the saga of Ben Higgins, Penn & Teller attempt to crack some new tricks, and Camp Getaway signs off for the season. Here's what's new and noteworthy on TV this Monday:

SERIES PREMIERE: Mayim Bialik hosts Celebrity Show-Off, a new weekly series in which celebrities compete for YouTube dominance, with the last man or woman standing winning a donation to the charity of their choice. Watch the trailer. 10:00 PM ET on TBS

NEW EPISODE: This week's installment of The Bachelor Greatest Seasons Ever relives the legendary romantic journey of Ben Higgins, who last week's subject — Kaitlyn Bristowe — left a heartbroken mess on The Bachelorette. Watch the trailer. 8:00 PM ET on ABC

SEASON PREMIERE: Magicians Penn and Teller welcome up and coming magicians Paul Gertner, Shawn Farquhar, Ondrej Pšenicka, and Helen Coghlan on the season premiere of Penn & Teller: Fool Us to see if the duo can crack their guests' best tricks. Alyson Hannigan hosts. 9:00 PM ET on The CW

NEW EPISODE: In a flashback episode of I May Destroy You, Terry (Weruche Opia) journeys to Italy, where Arabella (Michaela Coel) is living the good life. 9:00 PM ET on HBO

NEW EPISODE: The competition continues on The Titan Games, as host Dwayne Johnson sends challengers through a labyrinth of increasingly epic athletic obstacles. 8:00 PM ET on NBC

SEASON PREMIERE: The seventh season of Diesel Brothers kicks off with Diesel Dave trying to build his version of the Kodiak, while Todd LeDuc organizes a desert race. 10:00 PM ET on Discovery

SEASON FINALE: Summer may just be beginning, but on Camp Getaway the season's come to an end, which means it's time for the friends and family weekend, where Randall finally makes a connection, and Sophia and Adam reach an understanding about their relationship. 10:00 PM ET on Bravo

Mike Attebery is Senior Editor at Primetimer and the author of seven mystery thrillers. Follow him on Twitter at @mikeattebery.