FINALE WATCH: If you missed “Closer” spin-off “Major Crimes” (TNT) this season, there’s a marathon of this season’s first 10 episodes starting at 11 a.m., wrapping up with the summer finale at 9 p.m.. While the team works to capture a killer, Raydor is torn between two decisions during the case, while Rusty is frightened by threats.

FINALE WATCH: Toby’s parents wonder if they should finally tell him the truth about a big secret on “Switched at Birth” (ABC Family at 8 p.m.), which seems right, given that it’s almost his wedding day.

SERIES PREMIERE: Worried about computers becoming self-aware and eventually destroying the universe? It sounds like something that Dwight Schrute would dream up, but the original miniseries “Delete” (Reelz at 8), starring Seth Green, imagines that very scenario. As the human race is on the verge of being wiped out by machines, a group of heroes must create another artificial intelligence to battle the computers.

RETURNING SHOW: Season 5 of “Basketball Wives” (VH1 at 8) continues chronicling the world of women linked to professional basketball players, including Evelyn Lozada, Tami Roman, Suzie Ketcham and Shaunie O’Neal, along with Evelyn’s friend Tasha Marbury. In the opener, a look at Evelyn ducking media speculation after an altercation with her now ex-husband.

The final four teams remain on “Get Out Alive With Bear Grylls” (NBC at 9) but encounter the most challenging competition yet, one that involves scaling a glacier.

It finally dawns on Savi that Henry may be gone forever on “Mistresses” (ABC at 10); meanwhile, Karen winds up reconnecting with Sam, and there’s April-Paul-Richard drama that ends up badly for everyone.

The fake-reality-show contestants on “Siberia” (NBC at 10) take a turn for the worse, with some on the brink of death and others raiding an abandoned producers’ camp in search of food and clothing as freezing temperatures continue to drop.

Normally no one wants to come across a severed finger, but when Walt comes across one on “Longmire” (A&E at 10), it may actually help him solve a couple of cases.

C.J. disrespects both boat captains on “Below Deck” (Bravo at 10), which completely backfires for him; meanwhile, a “secret rendezvous” goes terribly wrong.

— Emily Yahr