Watch Premier Preview TV Series Episodes Online.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Pilot | 1998-09-12 | 30 min |
| Season 18 | Episode 1 | Season 18, Episode 1 | 2015-09-05 | 30 min |
| Season 18 | Episode 14 | Season 18, Episode 14 | 2015-12-05 | 30 min |
| Season 18 | Episode 15 | Season 18, Episode 15 | 2015-12-12 | 30 min |
| Season 18 | Episode 16 | Season 18, Episode 16 | 2015-12-14 | 60 min |
| Season 18 | Episode 17 | Season 18, Episode 17 | 2015-12-19 | 30 min |
| Season 18 | Episode 18 | Season 18, Episode 18 | 2015-12-21 | 60 min |
| Season 19 | Episode 1 | Season 19, Episode 1 | 2016-01-02 | 30 min |
| Season 19 | Episode 2 | Season 19, Episode 2 | 2016-01-05 | 60 min |
| Season 19 | Episode 3 | Season 19, Episode 3 | 2016-01-18 | 60 min |
| Season 19 | Episode 4 | Season 19, Episode 4 | 2016-01-25 | 60 min |
| Season 19 | Episode 5 | Season 19, Episode 5 | 2016-02-13 | 30 min |
| Season 19 | Episode 6 | Episode 6 | 2016-02-20 | 30 min |
| Season 19 | Episode 7 | Episode 7 | 2016-02-27 | 30 min |
| Season 19 | Episode 8 | Episode 8 | 2016-03-05 | 30 min |
| Season 19 | Episode 9 | Episode 9 | 2016-03-12 | 30 min |
| Season 19 | Episode 10 | Episode 10 | 2016-03-19 | 30 min |
| Season 19 | Episode 11 | Episode 11 | 2016-03-26 | 30 min |
| Season 19 | Episode 12 | Episode 12 | 2016-04-02 | 30 min |
| Season 19 | Episode 13 | Episode 13 | 2016-04-09 | 30 min |
| Season 19 | Episode 14 | Episode 14 | 2016-04-16 | 30 min |
| Season 19 | Episode 15 | Episode 15 | 2016-04-23 | 30 min |
| Season 19 | Episode 16 | Episode 16 | 2016-04-30 | 30 min |
| Season 19 | Episode 17 | Episode 17 | 2016-05-07 | 30 min |
| Season 19 | Episode 18 | Episode 18 | 2016-05-14 | 30 min |
| Season 19 | Episode 19 | Episode 19 | 2016-05-21 | 30 min |
| Season 19 | Episode 20 | Episode 20 | 2016-05-28 | 30 min |
| Season 19 | Episode 21 | Episode 21 | 2016-06-04 | 30 min |
| Season 19 | Episode 22 | Episode 22 | 2016-06-11 | 30 min |
| Season 19 | Episode 23 | Episode 23 | 2016-06-18 | 30 min |
| Season 19 | Episode 24 | Episode 24 | 2016-06-25 | 30 min |
| Season 19 | Episode 25 | Episode 25 | 2016-07-02 | 30 min |
| Season 19 | Episode 26 | Episode 26 | 2016-07-09 | 30 min |
| Season 19 | Episode 27 | Episode 27 | 2016-07-16 | 30 min |
| Season 19 | Episode 28 | Episode 28 | 2016-07-23 | 30 min |
| Season 19 | Episode 29 | Episode 29 | 2016-07-30 | 30 min |
| Season 19 | Episode 30 | Episode 30 | 2016-08-06 | 30 min |
| Season 19 | Episode 31 | Episode 31 | 2016-08-13 | 30 min |
| Season 19 | Episode 32 | Episode 32 | 2016-08-20 | 30 min |
| Season 19 | Episode 33 | Episode 33 | 2016-08-27 | 30 min |
| Season 19 | Episode 34 | Episode 34 | 2016-09-03 | 30 min |
| Season 19 | Episode 35 | Episode 35 | 2016-09-10 | 30 min |
| Season 19 | Episode 36 | Episode 36 | 2016-09-17 | 30 min |
| Season 19 | Episode 37 | Episode 37 | 2016-09-24 | 30 min |
| Season 19 | Episode 38 | Episode 38 | 2016-10-01 | 30 min |
| Season 19 | Episode 39 | Episode 39 | 2016-10-08 | 30 min |
| Season 19 | Episode 40 | Episode 40 | 2016-10-15 | 30 min |
| Season 19 | Episode 41 | Episode 41 | 2016-10-22 | 30 min |
| Season 19 | Episode 42 | Episode 42 | 2016-10-29 | 30 min |
| Season 19 | Episode 43 | Episode 43 | 2016-11-05 | 30 min |
| Season 19 | Episode 44 | Episode 44 | 2016-11-12 | 30 min |
| Season 19 | Episode 45 | Episode 45 | 2016-11-19 | 30 min |
| Season 19 | Episode 46 | Episode 46 | 2016-11-26 | 30 min |
| Season 20 | Episode 1 | Episode 1 | 2017-09-16 | 30 min |
| Season 20 | Episode 2 | Episode 2 | 2017-09-23 | 30 min |
