Time travel

OK, almost every SciFi series has some time travel. This is primarily about it

1982 Voyagers Young time agents fix problems with history
1989-1993 Quantum Leap Accidental 50's-70's time traveller must fix personal and social problems Totally classic social commentary deguised as SciFi
1995-1999 Sliders 4 lost people bounce around to alternate earths Also more social commentary, becoming action adventure at the end when they fight evil "cromags"
2007 Journeyman Like quantum leap?
2016-2018 Timeless Secret time-travel ball must be used to fight evil Rittenhuas group An excuse to visit famous/fun periods in time; backstories and layers. A very cute main villain
2016-2017 Frequency A daughter connected to father in the past by radio She helps him and learns about his dodgy past
2016- Legends of Tomorrow Hero team in a space ship time machine Another excuse to visit fun periods in time. Very silly and full of quips and flirting